13 lines
373 B
Text
13 lines
373 B
Text
import algebra.ring data.num
|
|
open algebra
|
|
|
|
variable A : Type
|
|
variable s : ring A
|
|
variable H0 : 0 = (0:A) -- since algebra defines notation '0' it should have precedence over num
|
|
variable H1 : 1 = (1:A) -- since algebra defines notation '1' it should have precedence over num
|
|
|
|
example : has_zero.zero A = has_zero.zero A :=
|
|
H0
|
|
|
|
example : has_one.one A = has_one.one A :=
|
|
H1
|