Comments (4)
Sets and propositions were already discussed in chapter 3.
from book.
Actually, you're right. I meant that the required properties were not introduced, but they were if you count the exercises, with the exception that Prop
is a set, but that's immediate.
from book.
I mistook Prop
being a set with isProp
being a set. The latter is easy, but the former does not seem so (to me), and that's what we need here. Though, this is proven in Theorem 7.1.11 (later than when we need it), so I'm reopening.
from book.
I'm surprised that this was left out of chapter 3, but it does seem to be missing. I suggest we just add it as an exercise, it's pretty easy.
from book.
Related Issues (20)
- Rules for universes in Appendix A.2 are incomplete HOT 3
- identity type usage HOT 19
- Augment assumptions for Thm 5.4.4, 5.4.5, and 5.4.7 HOT 19
- Typos in proof of Lemma 10.3.12 HOT 5
- Use parentheses in the proof of Lemma 2.1.4(iii) HOT 3
- Cumulativity of the universe hierarchy HOT 4
- CI problem: "dubious ownership" HOT 1
- Provided Hashes in errata.pdf Not Found HOT 2
- Errata PDF unreadable
- Corollary 8.8.5 HOT 4
- Lemma 8.5.9 is missing a label
- Nightly builds pdfs are dead links HOT 8
- Exercise 7.3 could be made stronger
- Indexing of maps in fiber and exact sequences HOT 3
- proof-theoretic consistency in the introduction HOT 6
- cardinal numbers in the introduction HOT 5
- real numbers in the introduction HOT 7
- Switch to using truncated logic as default in the book HOT 2
- max and sup HOT 9
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from book.