Step
*
of Lemma
nat-pred-as-sub
∀n:ℕ. (0 < n
⇒ (n-1 = (n - 1) ∈ ℕ))
BY
{ ((UnivCD THENA Auto) THEN RepUR ``nat-pred`` 0 THEN AutoSplit) }
Latex:
Latex:
\mforall{}n:\mBbbN{}. (0 < n {}\mRightarrow{} (n-1 = (n - 1)))
By
Latex:
((UnivCD THENA Auto) THEN RepUR ``nat-pred`` 0 THEN AutoSplit)
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