The Crisis might be Husserl’s most widely read work, and within the Crisis, §9 on Galileo’s invention of modern science has captivated generations of readers. It raises a host of questions:
What does it mean that mathematized science offers only a method, not the true being of nature? How can science both be founded and contained in the pre-scientific lifeworld? How does Husserl’s transcendental phenomenology offer an alternative to Galileo’s conception of nature?
This critique of Galilean science comes from a mathematician-turned-philosopher, who staunchly defended the possibility of objective knowledge in the Prolegomena and sought to turn philosophy into a rigorous science. Husserl’s last work is as puzzling as fascinating, and it is easy to see why it remains one of the most popular entry points into Husserlian phenomenology and interpreters keep coming back to it.
Emiliano Trizio’s new monograph Philosophy’s Nature is a case in point, culminating in an extensive commentary on §9, where different threads of the book find together. The discussion of Galileo is embedded in, as the book’s subtitle announces, Husserl’s transcendental phenomenology, natural science, and metaphysics. Trizio establishes this context not only by drawing on Husserl’s earliest writings from 1890s, but also the 19th century ignorabimus debate about the limits of scientific knowledge. Husserl is cast as offering an alternative to Mach’s phenomenalism and Helmholtz’ critical realism, which is a refreshing alternative to framing Husserl’s account in terms of the later scientific realism debate. When addressing classical questions about the relationship of lifeworld and natural science, Trizio emphasizes the role of teleology, and offers a carefully argued extrapolation from the Crisis fragment.
After presenting the book, I raise some questions: about mathematization and the sensible plena, Trizio’s distinction between causal and categorial inference in science, implications for empirical psychology, the aprioristic account of phenomenology, and the metaphysical status of correlationism.
2.1 The 19th Century Background
The first chapter sketches a background debate. Rather than beginning from contemporary standard debates about scientific realism, Trizio reaches back to the 19th century, when debates about the limits of physical knowledge were already in full swing. The mechanistic world picture led to the well-known thought experiment of the Laplacian demon. The original question was whether astronomers’ successful predictions could be expanded to the entire world, given enough knowledge and intellectual resources. DuBois-Reymond turned this into an argument about the limits of scientific knowledge: If the intrinsic nature of physical objects, or the origin of conscious experience from physiology were forever hidden from the Laplacian demon, must also remain hidden from human scientists. Thus, there must be an ignorabimus, a domain that “we will never know”.
Mach argues that DuBois-Reymond relies on metaphysical assumptions of the mechanistic world picture. That picture came under more and more pressure from electromagnetism and thermodynamics (before quantum mechanics and relativity theory upended classical physics altogether). Mach’s phenomenalism is an anti-metaphysical programme that requires a reinterpretation of what physical theories are about–rejecting things beyond their presentations in experience.
The critical realists need no such “dissolution” of the object of physics into series of experiences. Trizio focuses on Helmholtz and Planck, who take the thing of perception to be a “sign” that is distinct from, but lawfully related to the real, physical thing. This view is realist about the existence of the external world and our possibility of knowing about it. But it is critical rather than naïve for separating the thing of perception from the thing of physics.
This is the background for discussing how Husserl relates the external world, the world of physics, and world of sensory perception. But we have already seen that an important difference in the critical realist and phenomenalist responses to the ignorabimus is their different tolerance for metaphysics. The next chapter therefore discusses the disputed relation between metaphysics and epistemology in Husserl’s work.
2.2 Epistemology and Metaphysics
The role of metaphysics in phenomenology has long been disputed. Especially Husserl’s late work seems to discuss overtly metaphysical questions, such as whether the world could exist without an actual consciousness. But especially in the Logical Investigations, Husserl declares the metaphysical neutrality of his considerations. The reduction is also described as a way to shed the metaphysical prejudice of the natural attitude.
An easy way out would be to say that Husserl’s commitments change, but Trizio resists the narrative of separate periods and “turns” (this alone is an impressive achievement). He begins with a text about the nature of space from the 1890s where Husserl distinguishes between the Theory of Knowledge—asking „how is knowledge of the objective world is possible?“—and metaphysics—asking what the actual world is ultimately like. Depending on how we understand the possibility of knowledge, we end up with a different metaphysical picture of the world, e.g. a phenomenalist, rather than a critical realist account.
Trizio presents Husserl’s later metaphysics as a consistent expansion from this idea. The metaphysical commitments are a consequence of the adopted theory of knowledge. He grants that there is a shift of emphasis from the question “how knowledge is possible” to the question of the “sense of being” which is clarified in transcendental phenomenology. But while seeking the “sense of being” sounds like a metaphysical task, it can also be understood as: “what must be the sense of being, for knowledge of it to be possible?”, so the primacy of epistemology can be maintained (cf. 59f.).
With this clarified relationship between epistemology and metaphysics, we can now reconsider natural science. The natural sciences operate with the well-known presupposition of the natural attitude. The metaphysical clarification from phenomenology addresses not immediately whether particular theoretical terms like “electron” refer to unobservable objects, but investigates the sense of “natural world” that the empirical sciences presuppose. Via the phenomenological clarification, the natural sciences become a metaphysics of nature. Transcendental phenomenology provides the “a priori framework underlying all possible factual realities” (86), which provides the “ontological closure of the sciences”. This closure amounts to the rejection of any ignorabimus, or hyperphysical reality, that would lie beyond these sciences. Slightly later, Trizio summarizes this metaphysical picture as “the world is a unit of sense constituted in transcendental intersubjectivity and nothing beyond that”. (107) Once the ontological closure of the empirical sciences has been achieved, the room for metaphysics is exhausted.
2.3 Transcendental Phenomenology
What separates the empirical sciences from ultimate metaphysics is “a clarification of the sense of their fundamental assumptions, […] most important among them, the positing of the world.” (99) Chapter three therefore turns to the phänomenologische Fundamentalbetrachtung (consideration fundamental to phenomenology, §§27-62) of the Ideas I. Husserl here argues that consciousness is an absolute region of being, independent of the posit of the world.
The book remains focused on the relation between perception and the thing of physics. According to the distinction between primary and secondary qualities, only the primary qualities carry over from perceptual appearance to the thing of physics, whereas secondary qualities originate in the subject. But Husserl distinguishes between the intuitive space of perception and the ideal space of geometry. A drawn triangle exists in an intuitive space, but it only serves as a sign for an ideal triangle in the space of geometry. What mathematized science discloses are such idealized properties; therefore, they are not a subset of the perceivable properties. Applied to the relation between perceptual and physical thing, this means that even the intuition of spatial properties does not remain without a contribution from the subject (103f.). Neither Husserl nor Trizio put it this bluntly, but it seems like all perceptual qualities turn out to be secondary.
Without overlap between the properties of physics and perception, one might expect a form of critical realism, where the perceptual object is only a sign for the physical thing. But one of the most poignant passages in the Ideas I reads: “The physical thing which [the scientist] observes, with which he experiments, which [he puts] in the melting furnace: that physical thing, and no other, becomes the subject of the predicates ascribed in physics.” (Husserl  1982, §52, 120) Trizio takes this identification of physical and perceptual seriously and argues that it shows a rejection of critical realism; the perceptual thing is rather a “sign for itself” (114). The key is Husserl’s notion of the “empty X” as the bearer of all objective properties, whether they are disclosed in perception or in empirical science. The critical realist distinguishes an object X that bears the perceptual properties, and an object Y, which is determined by scientific theory. Husserl however argues that such a “hidden” cause leads to a regress. If we can know an object Y only inferentially, then a more competent observer could know Y on the basis of perception–but then for this observer, the appearances of Y would indicate an object Z, and so forth. (cf. 112)
This argument relies on the essential perceivability of all physical things which has led to an association between Husserl and anti-realist philosophers of science. A main feature of Trizio’s book is that it here steers a more realist line, according to which also scientific theories about unobservable entities can achieve a true, metaphysical insight into nature. The key is Trizio’s distinction between the causal inference that leads to the posit of observable things—say, a planet—and the inferences that lead to explanations in unobservable terms, like atoms (111). To treat the latter as causal inference to an unobservable world creates the “causal depth” of the critical realist picture, and the mentioned regress. The theoretical inferences of microphysics instead provide a categorial determination of the world of perception. The sense in which nature transcends our subjective experience has already been established at the level of perception, and scientific theories do not force us “to accept a different account of the ‘externality’ of the world” (115).
Once more emphasizing continuity through Husserl’s work, Trizio here relies on an account of categorial determination from the Sixh Logical Investigation. Pre-scientific judgements already contain meanings that do not allow for fulfilment in sensory intuition. “Just as the ‘and’, the ‘or’, and the ‘is’ cannot be painted, the physico-mathematical concepts cannot be ‘turned’ or ‘translated’ into sensuous determinations of whatever kind.” (122) Instead, the sense in which a microphysical theory is true has to be understood according to the truth of categorial determinations. These have nothing to do with our perceptual capacities and neither has the goal of scientific theory. “Accordingly, God’s physics would amount to the same true, complete mathematical physics that we human subjects strive to achieve, the one that describes matter as it is in itself, in its real, intrinsic nature, by means of categorial unities of thought”. This account of microphysical being is exegetically convincing, interesting, and sets Trizio’s account apart from other interpreters—I will comment on it below.
The rest of the chapter develops more critical responses to recent secondary literature, especially Harvey, Wiltsche and Hardy. Whereas the first two err on the side of instrumentalism, Hardy’s proposal aims to make transcendental idealism and metaphysical realism compatible, which for Trizio is a non-starter. The common error, so Trizio appears to say, is the imposition of “ready-made ‘philosophical problems’ as hermeneutical frameworks to interpret Husserl’s thought.” (138) Doing so “wreak[s] havoc on the internal articulation of a philosophy meant to generate its own task and method” (ibid.). The reader might want to consider for themselves: Can we approach Husserl with a philosophical topic or question, or must we let Husserl define the goal of philosophy? It is hard to see how an interpretation as comprehensive as Trizio’s could be achieved without granting Husserl to define the goals, and the complaint about ready-made philosophical problems is understandable. But one might equally worry that Trizio’s alternative stays confined by a philosophical edifice and its internal questions. Zahavi (2017, 184f.) for example appears less restrictive, and can point out interesting parallels, such as between Husserl’s correlationism and Putnam’s internal realism.
2.4 Ideas II
The fourth chapter focuses on the Ideas II, and the constitutional role of the lived body (Leib), intersubjectivity, and the relation between the natural, naturalistic, and personalistic attitude. Trizio here also refines the previous discussion of space, distinguishing between the subjective sensuous space, the objective perceptual space, and an idealized objective space. “The objective but not yet idealized space is the link between what is given to us in perception and the idealized language of physics” (161) Whereas the sensuous space is oriented around a perceiver’s body, the objective perceptual space has no such orientation. Intuition of objective perceptual space is only possible through founded acts: movements, rotations, and acts of empathy (ibid.). This is not an idealization, rather the objective perceptual space is constituted as “every-body’s space” (ibid.).
The chapter also discusses Rang and Ingarden, and thereby offers more detail about the interpretation of microphysics. While “it is true that concepts such as ‘atoms’ and ‘ions’ do not refer to ‘Dinglichkeiten an sich’, this is not because atoms and ions do not exist, but because they exist qua endpoints of the constitution of material nature in transcendental consciousness.” (170) Such endpoints are categorial determinations of the sensible world that also a divine physics would be compelled to. This is only one of several places where teleology features centrally.
Trizio now briefly returns to the challenge from DuBois-Reymond. That atoms cannot be the objects of experience does not mean that they comprise an ignorabimus: imperceivable atoms are still knowable as the ideal limit of categorially determining the perceivable world. The account of idealizations is what undermines DuBois-Reymond’s connection between the imperceivable and the unknowable (187f.).
Then, within five pages, Trizio discusses challenges from quantum mechanics and relativity theory. The discussion of quantum mechanics relies on a short appendix to the Crisis, one of very few places where Husserl ever talks about non-classical physics. Trizio argues that Husserl’s sees no conflict between quantum mechanics and the scientific goal of an objective description of nature. What quantum mechanics reveals is rather that some objects can only be studied as ensembles, not individually. This means that some idealizations stay tied to typical environments, and therefore particular scales. In turn, the relevant idealizations for our scientific descriptions can be scale-dependent (191f.), and there is no guarantee that we have a reductive basis for the idealizations of higher-level theories (such as physiology and biophysics). This is an interesting discussion, but stays at a very high level of generality.
The challenge from relativity theory is more obviously problematic. It undermines the idea that the “essence of space” could be studied a priori, independently of empirical theory. Trizio admits here that Husserl’s silence on the issue—despite the work of Weyl and Becker—is disappointing. In conclusion, Trizio thinks that relativity theory shows that intuitive and objective space are farther apart than we thought, but that this affects neither the rejection of critical realism nor the identity of perceptual and physical thing. I discuss below how relativity theory might require to rethink the relation between phenomenology and empirical science.
2.5 Life-World and Natural Science
The fifth chapter is by far the longest, running to almost a hundred pages. We now turn to the Crisis of European Sciences, and the discussion of Galileo in §9. Trizio further emphasizes the role of teleology, as in the account of categorial determination and in some earlier work (Trizio 2016). The crisis of the European sciences is explained as an “uncertainty and disorientation with respect to the essence inhabiting such a cultural formation [as empirical science] as its telos” (204) That the natural sciences have suffered a “loss of meaning” is a consequence of their separation from philosophy: as part of philosophy, empirical investigation had a context in which it was meaningful for life (206).
The chapter is comprehensive because part of its ambition is to discuss parts of the Crisis that remained a sketch: how spirit relates to nature, and the relationship between the objective spirit investigated in the human sciences, and the absolute spirit described in phenomenology (214f.) Trizio distinguishes three scientific endeavours: the natural sciences (naturalistic attitude), the positive sciences of objective spirit (personalistic attitude), and the phenomenological science of absolute spirit (transcendental attitude, 215). Natural and spiritual world have their own principles of unity, causal relations in the former, motivational relations in the latter case. (210) Natural and spiritual world are different aspects of the lifeworld, but since the entire lifeworld has been replaced by mathematized nature, the world of spirit has been forgotten (247, 250). This misinterpretation is spelled out in the central §9, which is honoured with 36 pages of reconstruction and discussion. For anyone interested in Husserl’s account of Galileo, this commentary alone is a good reason to consult this book.
After recovering the world of spirit, Trizio finds a priority of human sciences over natural sciences: “the naturalistic attitude is subordinate to the personalistic attitude because it is the personal Ego that performs the operations necessary to render nature thematic as the sphere of mere natural objectivities” (258). This relation between these theoretical endeavours also leads to an ontological relation between their domains. “If nature is an abstract stratum of the life-world, it cannot be ontologically prior to it. It is an abstract layer of what for us has meaning in terms of our aims, among which its scientific explication also finds a place.” (260f.) It seems easy to vacillate here between nature as a “Zweckgebilde” of natural science, and nature as the domain of empty Xs that bear perceptual and scientific determinations: a domain that is factually indeterminate, but already determinable (this seems to require at least that the “Zweckgebilde” of natural science does not change with scientific theories or political environments).
Trizio then addresses the classic question how a scientifically true world could both be grounded on and encompassed by the lifeworld. The offered solution again relies on teleology: “the mode of being of scientific nature is that of an end of a specific human praxis” (270). The lifeworld itself however is independent of any specific aims (268); it is in this sense prior to any scientifically disclosed worlds, because the motivation to begin a scientific endeavour begins from the lifeworld. However, the lifeworld has no “outside”: whatever turns out to exist has to exist as part of the very same world that we were already determining by the means of perception.
Trizio here disagrees with interpreters who distinguish the transcendental reduction from a preliminary “reduction to the lifeworld” which brackets scientific theory and practice but leaves the natural attitude intact (e.g. Bitbol 2020). What makes the lifeworld pre-scientific in Trizio’s account is not the absence of scientific culture, but the lack of a telos. Whereas the objective determination of nature is the telos that for the scientific world, the lifeworld has no such practical goal. But even though this allows to distinguish different worlds, the world of science still is an objectivation of the lifeworld, not an independently constructed scientific image. When we are bracketing scientific culture, this focuses our attention on a pure layer of the lifeworld, rather than revealing the lifeworld in its entirety (269).
En passant, Trizio again discusses competing anti-realist interpretations, leading to a clearer picture of his own account. Antirealism here is glossed as the claim that science can only arrive at correct prediction of appearances, but not at knowledge about true nature as it is in itself. If Husserl were an antirealist about scientific knowledge, no account of nature would be compatible with transcendental phenomenology. a) Husserl cannot be claim that the objective world does not exist (only that it is not a mathematical manifold) b) nature cannot be in principle unknowable, because that is incompatible with the principle of correlation, c) natural science is also not to be replaced by a new science of nature, d) agnosticism is like skepticism a “deadly enem[y] of philosophy”. (256f.) Since Husserl is not a metaphysical realist, this rejection of anti-realism is not a commitment to scientific realism in the standard contemporary sense. The condensed discussion again reveals importance of the principle of correlation: unknowable aspects of nature are excluded from the start.
In the last paragraphs, entitled “Nature as the correlate of Absolute Spirit”, Trizio edges towards some further metaphysical conclusions. The premise is that nature can only be constituted as an abstract core of the life-world, which is personal in character. (275) Therefore, nature can only appear through intentional acts that are abstract components of the concrete unity of constituting life. It is not possible to think of a constitution of nature that was not embedded in a constituting life, and such constituting life must know a personal attitude. Unfortunately, Trizio does not make explicit whether this means that he concurs with Husserl’s proof of idealism: that a world which never develops constituting forms of life is metaphysically impossible. (Husserl 2003)
It is clear that this is a work of serious scholarship. Trizio draws on an impressive range of sources, from before the Logical Investigations to the Crisis. Well known parts of Husserl’s work are central, such as the consideration fundamental to phenomenology, or §9 of the Crisis. But also the Ideas II and the less known 1917 treatise Phenomenology and Theory of Knowledge (Husserl et al. 1987, 125–205) are central points of reference. Framing Husserl in the ignorabimus debate is well done and sets up an interesting angle for the discussion.
The production quality of the digital edition is good. References and endnotes are listed per chapter, endnotes are conveniently two-way linked to the main text. There are a number of avoidable editorial oversights and Typos, especially in German quotations (e.g. 76, 258) and names (e.g. 122, 148), but the overall typesetting is pleasant. With these descriptive points out of the way, I can now turn to the content.
3.1 The Mathematization of Plena
One of Husserl’s main claims in §9 of the Crisis is that the “sensible plena” (sinnliche Füllen) cannot be directly mathematized, unlike the shapes of objects. Hence, Galileo has to make the hypothesis that all determinations of the plena will be implied by a completed account of the shapes—the plena will be indirectly mathematized. When Trizio reconstructs why the plena do not allow for mathematization, he connects this with the impossibility of finding a compositional basis to construct the plena. “There can be no analogue of the ruler in the case of a color, or of a warmth-property, no smaller standard that, via a certain method of composition, could “build” the original quality out of smaller parts, not even approximately, ‘with a rest’.” (232)
There is, however, no discussion of established practices for precise communication of colours. When colours are communicated as RGB or CMYK codes, they are specified exactly in terms of the combination of red, green and blue light (or the densities of standardized inks). Why does this not count as the construction of a colour-space from basic elements? It seems to me that the difference between shapes and plena is not so much in compositionality, but in the convergence to an ideal limit. Shapes can be put in line to approach a flat surface or a straight line or a sphere. This ideal reference point is never reached. A series of colour patches, however, does not approach an unintuitable “ideal red”: an orange patch can be more or less close to a red patch, but the limit remains intuitable. Colour similarity only compares to an intuitable limit that retains some indeterminacy. This is not the kind of convergence that we have in the case of geometry, where intuitive shapes can approach a precise, unintuitable ideal.
3.2 Causal inference and inference to categorial determinations
Trizio’s realism about scientific knowledge depends crucially on the distinction between two kinds of scientific inference. To reiterate, scientists sometimes make “causal” inferences, such as “there is a planet Neptune” which introduce new, in-principle observable entities. In the case of microphysics, however, their inference is a categorial determination of nature, and does not introduce new entities. I am not sure what the principled grounds are to declare scientific inferences to be one kind or another. It seems clear that we can sometimes infer that there are things we cannot perceive ourselves, for example after losing a sensory modality, or observing reactions of animals. Now, when we explain a disease through a virus, is this a causal inference, or a categorial determination? It is implausible that the limit of causal inference coincides with a contingent limit of human perception, and I would therefore expect that viruses would still be something where we can make causal inferences. But where does it stop? Trizio would presumably have to give an answer in terms of essential imperceivability—but it would be good to know what it is exactly.
3.3 Foundations of Psychology
It remains somewhat unclear whether Trizio advocates a revisionist programme for empirical sciences. He is explicit that he has no such intention for physics, but what about psychology? Is a main cost of forgetting the lifeworld a psychology that dehumanizes its subjects, because it starts from the naturalistic attitude? I take this to be Husserl’s ambition, but of course in view of the psychology of his time. If Trizio here departs from Husserl, this is not made explicit.
3.4 A priori knowledge of space and general relativity
Much of the book appears to work towards marrying two claims:
- Transcendental Phenomenology is the founding, universal science that is before all empirical science.
- Empirical sciences are capable of generating metaphysical knowledge.
What Trizio promises is nothing less than a First Philosophy that can do without instrumentalism about the empirical sciences. As Trizio admits, this comes to limits with the theory of relativity, where Husserl’s silence “is embarrassing” (193). Already in special relativity, temporal and spatial distances lose their independence. The death of two stars might appear simultaneous when observed from the earth, but their temporal order changes with the location of the observer. This is not just another fact that tells us more about which of the a priori possible worlds we inhabit, but it redefines the interaction between phenomenology and empirical theory. Throughout the book, Trizio gives phenomenology an authority over the commitments of empirical sciences: phenomenologists can point out when scientists “naïvely” rely on assumptions of the natural attitude. But in the case of relativity theory, physicists could retort that the phenomenologist is not so independent from theory after all. The assumption that space and time are independent might be one such assumption. It looks like a theory of physics can serve as a valid criticism of a distinction of transcendental phenomenology. But on what grounds could transcendental phenomenology then still be considered to be “before” empirical science?
Trizio points in a similar direction when he concedes that “the only way out is to use the theory of relativity as an indication that the phenomenological account of idealization must be revised” (193). But conceding such limits to first philosophy should also affect the relation to contemporary philosophy of science. Trizio is certainly right when he argues that Husserl’s account cannot simply be “placed” within an existing body of literature about scientific realism, because this debate takes the dominance of logical empiricism as its starting point.
Given Trizio’s emphasis on historical contextualization, one might have expected more optimism about this historical situation. The nascent logical empiricism and Husserlian phenomenology touched in the 1920s, when Carnap studied with Husserl, and Felix Kaufmann was part of both movements. By contrast, Husserl never actually writes about an ignorabimus. The historical arc to philosophy of science seems neither more ambitious nor less promising than the 19th century context which Trizio sets up. It would be too much to attempt both in the same book, and the 19th century context is a welcome addition, but why should an explication of Husserl’s account not be commensurable to debates in the philosophy of science?
One might of course worry that philosophers of science are too busy discussing the content of particular scientific theories, rather than less easily formalizable questions about the structure of thing-consciousness. But what is gained from playing out those philosophers who want to attend to the perceptual phenomena against those who emphasize scientific theory? Trizio’s take here is more negative than most recent literature in the general area (see especially Hardy 2013; Zahavi 2017; and essays in Wiltsche and Berghofer 2020) and from those who work closely with cognitive scientists. All these authors seem more open to two-way interaction between empirical theory and phenomenological clarification, or at least between phenomenology and philosophy of science.
A final point concerns the explication of metaphysical commitments. While the book contains much discussion of what metaphysics means for Husserl, and in what sense phenomenology is not deciding but undermining the metaphysical debates, it is not always clear what Trizio endorses. I already mentioned the question whether a world without a factually constituting consciousness is possible.
Husserl’s correlationism on the other hand is a commitment on which Trizio relies much more openly. The rejection of Husserl’s correlationism by speculative realists is now well known. (Meillassoux  2008) But also metaphysics in the tradition of analytic philosophy raises difficult questions. Husserl’s correlationism commits him to the knowability of all true propositions. But such a knowability is surprisingly difficult to spell out, as the debates around the Church-Fitch paradox and metaphysical anti-realism show. (Fitch 1963; Salerno 2009; Kinkaid 2020) Philosophy’s Nature focuses more on defending the account presented as the correct interpretation of Husserl than it does to raise and address general questions from semantics or metaphysics.
Trizio’s book is nothing short of impressive for the clarity and depth in which it discusses Husserl’s works from the 1890s to the 1936 Crisis and the 19th century context. The rejection of anti-realist readings of Husserl’s philosophy of science is forceful and a very welcome addition to the current debate.
Because of its dismissal of contemporary philosophy of science, however, it can occasionally seem like a book on Husserl for Husserlians. Given the complexity and range of literature discussed, this is not surprising, but there are places where a greater departure from internal questions would have been natural: most clearly, through a more extensive discussion of the lessons from relativistic physics, and by anticipating some questions about the distinction between causal and categorial inference. Husserl’s account is complex and disputed enough to warrant treatment through a book, and Trizio fills an important gap. Those who wish for a connection to contemporary philosophy of science, however, will see room for another.
Bitbol, Michel. 2020. ‘Is the Life-World Reduction Sufficient in Quantum Physics?’ Continental Philosophy Review, October. https://doi.org/10.1007/s11007-020-09515-8.
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