Step
*
1
of Lemma
rotate-injection
1. n : ℕ
2. a1 : ℕn
3. a2 : ℕn
4. if (a1 =z n - 1) then 0 else a1 + 1 fi = if (a2 =z n - 1) then 0 else a2 + 1 fi ∈ ℕn
⊢ a1 = a2 ∈ ℕn
BY
{ ((SplitOnHypITE -1 THENA Auto) THEN SplitOnHypITE -2 THEN Auto) }
Latex:
Latex:
1. n : \mBbbN{}
2. a1 : \mBbbN{}n
3. a2 : \mBbbN{}n
4. if (a1 =\msubz{} n - 1) then 0 else a1 + 1 fi = if (a2 =\msubz{} n - 1) then 0 else a2 + 1 fi
\mvdash{} a1 = a2
By
Latex:
((SplitOnHypITE -1 THENA Auto) THEN SplitOnHypITE -2 THEN Auto)
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