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Revert "There have been some changes in the algebra-part of Lean."

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This reverts commit c1d1a5e509.
This commit is contained in:
Steve Awodey 2015-12-10 15:41:38 -05:00
parent f4a8a679c6
commit f1e76aa8db
2 changed files with 3 additions and 3 deletions
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5
group_theory/basic.hlean
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@ -10,12 +10,13 @@ Basic group theory
/- /-
Groups are defined in the HoTT library in algebra/group, as part of the algebraic hierarchy. Groups are defined in the HoTT library in algebra/group, as part of the algebraic hierarchy.
However, there is currently no group theory. However, there is currently no group theory.
The only relevant defintions are the trivial group (in types/unit) and some files in algebra/
-/ -/
import types.pointed types.pi algebra.bundled import algebra.group types.pointed types.pi
open eq algebra pointed function is_trunc pi open eq algebra pointed function is_trunc pi
set_option class.force_new true
namespace group namespace group
definition pointed_Group [instance] (G : Group) : pointed G := pointed.mk one definition pointed_Group [instance] (G : Group) : pointed G := pointed.mk one

1
group_theory/constructions.hlean
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@ -10,7 +10,6 @@ import .basic hit.set_quotient types.sigma types.list types.sum
open eq algebra is_trunc set_quotient relation sigma sigma.ops prod prod.ops sum list trunc function open eq algebra is_trunc set_quotient relation sigma sigma.ops prod prod.ops sum list trunc function
equiv equiv
set_option class.force_new true
namespace group namespace group
/- Subgroups -/ /- Subgroups -/