∀[g:IGroup]. ∀[a,b,c:|g|]. uiff(a = b ∈ |g|;(c * a) = (c * b) ∈ |g|)
{ ((GenRepD) THENA Auto) }
1. g : IGroup
2. a : |g|
3. b : |g|
4. c : |g|
5. a = b ∈ |g|
⊢ (c * a) = (c * b) ∈ |g|
1. g : IGroup
2. a : |g|
3. b : |g|
4. c : |g|
5. (c * a) = (c * b) ∈ |g|
⊢ a = b ∈ |g|