Step
*
of Lemma
mdivides_cancel
∀g:IAbMonoid. (Cancel(|g|;|g|;*)
⇒ (∀a,b,c:|g|. (((a * b) | (a * c))
⇒ (b | c))))
BY
{ ((UnivCD) THEN Auto)
THEN (UnfoldTopAb 2) }
1
1. g : IAbMonoid
2. ∀[u,v,w:|g|]. u = v ∈ |g| supposing (w * u) = (w * v) ∈ |g|
3. a : |g|
4. b : |g|
5. c : |g|
6. (a * b) | (a * c)
⊢ b | c
Latex:
Latex:
\mforall{}g:IAbMonoid. (Cancel(|g|;|g|;*) {}\mRightarrow{} (\mforall{}a,b,c:|g|. (((a * b) | (a * c)) {}\mRightarrow{} (b | c))))
By
Latex:
((UnivCD) THEN Auto)
THEN (UnfoldTopAb 2)
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