Step
*
of Lemma
trivial-ifthenelse
∀[b:𝔹]. ∀[f:Top]. (if b then f else f fi ~ f)
BY
{ ((D 0 THENA Auto) THEN AutoBoolCase ⌜b⌝⋅) }
Latex:
Latex:
\mforall{}[b:\mBbbB{}]. \mforall{}[f:Top]. (if b then f else f fi \msim{} f)
By
Latex:
((D 0 THENA Auto) THEN AutoBoolCase \mkleeneopen{}b\mkleeneclose{}\mcdot{})
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