michael/lean2
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

fix(prod): revert change with unintended consequence

Browse source
This commit is contained in:
Floris van Doorn 2017-05-24 17:12:26 -04:00
parent ba5368c4ae
commit 76a8dd1816
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
hott/types/prod.hlean
View file

@ -22,7 +22,7 @@ namespace prod
definition pair_eq [unfold 7 8] (pa : a = a') (pb : b = b') : (a, b) = (a', b') :=
ap011 prod.mk pa pb
definition prod_eq [unfold 5 6] (H₁ : u.1 = v.1) (H₂ : u.2 = v.2) : u = v :=
definition prod_eq [unfold 3 4 5 6] (H₁ : u.1 = v.1) (H₂ : u.2 = v.2) : u = v :=
by cases u; cases v; exact pair_eq H₁ H₂
definition eq_pr1 [unfold 5] (p : u = v) : u.1 = v.1 :=