doing a proof for unary numbers by computation with
binary numbers.
-bool.ctt - Booleans. Proof that bool = bool by negation and various
- other simple examples.
+* **bool.ctt** - Booleans. Proof that bool = bool by negation and
+ various other simple examples.
-category.ctt - Categories. Structure identity principle. Pullbacks.
+* category.ctt - Categories. Structure identity principle. Pullbacks.
-circle.ctt - The circle as a HIT. Computation of winding numbers.
+* circle.ctt - The circle as a HIT. Computation of winding numbers.
-collection.ctt - This file proves that the collection of all
- sets is a groupoid.
+* collection.ctt - This file proves that the collection of all sets is
+ a groupoid.
-csystem.ctt - Definition of C-systems and universe
- categories. Construction of a C-system from a universe
- category.
+* csystem.ctt - Definition of C-systems and universe
+ categories. Construction of a C-system from a universe
+ category.
-demo.ctt - Demo of the system.
+* demo.ctt - Demo of the system.
-discor.ctt - or A B is discrete if A and B are.
+* discor.ctt - or A B is discrete if A and B are.
-equiv.ctt - Definition of equivalences and various results on these,
- including the "graduate lemma".
+* equiv.ctt - Definition of equivalences and various results on these,
+ including the "graduate lemma".
-groupoidTrunc.ctt - The groupoid truncation as a HIT.
+* groupoidTrunc.ctt - The groupoid truncation as a HIT.
-hedberg.ctt - Hedbergs lemma: a type with decidable equality is a set.
+* hedberg.ctt - Hedbergs lemma: a type with decidable equality is a
+ set.
-helix.ctt - The loop space of the circle is equal to Z.
+* helix.ctt - The loop space of the circle is equal to Z.
-hnat.ctt - Non-standard natural numbers as a HIT without any path
- constructor.
+* hnat.ctt - Non-standard natural numbers as a HIT without any path
+ constructor.
-hz.ctt - Z defined as a (impredicative set) quotient of nat * nat
+* hz.ctt - Z defined as a (impredicative set) quotient of nat * nat
-idtypes.ctt - Identity types (variation of Path types with
- definitional equality for J). Including a proof
- univalence expressed only using Id.
+* idtypes.ctt - Identity types (variation of Path types with
+ definitional equality for J). Including a proof
+ univalence expressed only using Id.
-injective.ctt - Two definitions of injectivity and proof that they are
- equal.
+* injective.ctt - Two definitions of injectivity and proof that they
+ are equal.
-int.ctt - The integers as nat + nat with proof that suc is an iso
- giving a non-trivial path from Z to Z.
+* int.ctt - The integers as nat + nat with proof that suc is an iso
+ giving a non-trivial path from Z to Z.
-integer.ctt - The integers as a HIT (identifying +0 with -0). Proof
- that this representation is isomorphic to the one in
- int.ctt
+* integer.ctt - The integers as a HIT (identifying +0 with -0). Proof
+ that this representation is isomorphic to the one in
+ int.ctt
-interval.ctt - The interval as a HIT. Proof of function extensionality
- from it.
+* interval.ctt - The interval as a HIT. Proof of function
+ extensionality from it.
-list.ctt - Lists. Various basic lemmas in "cubical style".
+* list.ctt - Lists. Various basic lemmas in "cubical style".
-nat.ctt - Natural numbers. Various basic lemmas in "cubical style".
+* nat.ctt - Natural numbers. Various basic lemmas in "cubical style".
-ordinal.ctt - Ordinals.
+* ordinal.ctt - Ordinals.
-pi.ctt - Characterization of equality in pi types.
+* pi.ctt - Characterization of equality in pi types.
-prelude.ctt - The prelude. Definition of Path types and basic
- operations on them (refl, mapOnPath,
- funExt...). Definition of prop, set and groupoid. Some
- basic data types (empty, unit, or, and).
+* prelude.ctt - The prelude. Definition of Path types and basic
+ operations on them (refl, mapOnPath,
+ funExt...). Definition of prop, set and groupoid. Some
+ basic data types (empty, unit, or, and).
-propTrunc.ctt - Propositional truncation as a HIT. (WARNING: not
- working correctly)
+* propTrunc.ctt - Propositional truncation as a HIT. (WARNING: not
+ working correctly)
-retract.ctt - Definition of retract and section.
+* retract.ctt - Definition of retract and section.
-setquot.ctt - Formalization of impredicative set quotients á la
- Voevodsky.
+* setquot.ctt - Formalization of impredicative set quotients á la
+ Voevodsky.
-sigma.ctt - Various results about sigma types.
+* sigma.ctt - Various results about sigma types.
-subset.ctt - Two definitions of a subset and a proof that they are
- equal.
+* subset.ctt - Two definitions of a subset and a proof that they are
+ equal.
-summary.ctt - Summary of where to find the results and examples from
- the cubical type theory paper.
+* summary.ctt - Summary of where to find the results and examples from
+ the cubical type theory paper.
-susp.ctt - Suspension. Definition of the circle as the suspension of
- bool and a proof that this is equal to the standard HIT
- representation of the circle.
+* susp.ctt - Suspension. Definition of the circle as the suspension of
+ bool and a proof that this is equal to the standard HIT
+ representation of the circle.
-torsor.ctt - Torsors. Proof that S1 is equal to BZ, the classifying
- space of Z.
+* torsor.ctt - Torsors. Proof that S1 is equal to BZ, the classifying
+ space of Z.
-torus.ctt - Proof that Torus = S1 * S1.
+* torus.ctt - Proof that Torus = S1 * S1.
-univalence.ctt - Proofs of the univalence axiom.
+* univalence.ctt - Proofs of the univalence axiom.