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lean2/hott/hit
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Floris van Doorn 297d50378d feat(hott): add definitions using truncations and theorems about them 
define embedding, (split) surjection, retraction, existential quantifier, 'or' connective
also add a whole bunch of theorems about these definitions

still has two sorry's which can be solved after #564 is closed
2015-04-29 10:04:07 -07:00
..
circle.hlean feat(hott): add definitions using truncations and theorems about them 2015-04-29 10:04:07 -07:00
coeq.hlean feat(hit): prove path computation rules for all hits except the circle 2015-04-29 10:04:07 -07:00
colimit.hlean feat(hit): prove path computation rules for all hits except the circle 2015-04-29 10:04:07 -07:00
cylinder.hlean feat(hit): prove path computation rules for all hits except the circle 2015-04-29 10:04:07 -07:00
hit.md feat(hott): add hit-markdown file 2015-04-29 10:04:06 -07:00
pushout.hlean feat(hit): prove path computation rules for all hits except the circle 2015-04-29 10:04:07 -07:00
quotient.hlean feat(hit): prove path computation rules for all hits except the circle 2015-04-29 10:04:07 -07:00
sphere.hlean feat(hit): derive path computation rule for elim and elim_type for every hit 2015-04-29 10:04:07 -07:00
suspension.hlean feat(hit): prove path computation rules for all hits except the circle 2015-04-29 10:04:07 -07:00
trunc.hlean feat(hott): add definitions using truncations and theorems about them 2015-04-29 10:04:07 -07:00
type_quotient.hlean feat(hit): prove path computation rules for all hits except the circle 2015-04-29 10:04:07 -07:00