Step
*
of Lemma
add_cancel_in_eq
∀[a,b,n:ℤ]. a = b ∈ ℤ supposing (a + n) = (b + n) ∈ ℤ
BY
{ Auto }
1
1. a : ℤ
2. b : ℤ
3. n : ℤ
4. (a + n) = (b + n) ∈ ℤ
⊢ a = b ∈ ℤ
Latex:
Latex:
\mforall{}[a,b,n:\mBbbZ{}]. a = b supposing (a + n) = (b + n)
By
Latex:
Auto
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