Step
*
of Lemma
test-change-equality
∀[L1:ℕ List]. ∀[L2:ℤ List]. ((L1 = L2 ∈ (ℤ List))
⇒ (L1 = L2 ∈ (ℕ List)))
BY
{ Intros }
1
1. L1 : ℕ List
2. L2 : ℤ List
3. L1 = L2 ∈ (ℤ List)
⊢ L1 = L2 ∈ (ℕ List)
Latex:
Latex:
\mforall{}[L1:\mBbbN{} List]. \mforall{}[L2:\mBbbZ{} List]. ((L1 = L2) {}\mRightarrow{} (L1 = L2))
By
Latex:
Intros
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