Step
*
of Lemma
ispair-implies
∀[t:Base]. (t ~ <fst(t), snd(t)>) supposing ((↑ispair(t)) and (t)↓)
BY
{ ((UnivCD THENA Auto)
THEN Try ((BLemma `ispair-bool-if-has-value` THEN Auto))
THEN MoveToConcl (-1)
THEN CanonicalTestCases
THEN Reduce 0
THEN Auto) }
Latex:
Latex:
\mforall{}[t:Base]. (t \msim{} <fst(t), snd(t)>) supposing ((\muparrow{}ispair(t)) and (t)\mdownarrow{})
By
Latex:
((UnivCD THENA Auto)
THEN Try ((BLemma `ispair-bool-if-has-value` THEN Auto))
THEN MoveToConcl (-1)
THEN CanonicalTestCases
THEN Reduce 0
THEN Auto)
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