Step
*
of Lemma
multiply_one_int_mod
∀[n:ℤ]. ∀[x:ℤ_n]. ((x * 1) = x ∈ ℤ_n)
BY
{ ((UnivCD THENA Auto) THEN quotD 2) }
1
1. n : ℤ
2. x : ℤ
3. x1 : ℤ
4. x ≡ x1 mod n
⊢ (x * 1) = x1 ∈ ℤ_n
Latex:
Latex:
\mforall{}[n:\mBbbZ{}]. \mforall{}[x:\mBbbZ{}\_n]. ((x * 1) = x)
By
Latex:
((UnivCD THENA Auto) THEN quotD 2)
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