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Step * of Lemma strictness-ifthenelse

∀[a,b:Top].  (if ⊥ then a else b fi  ~ ⊥)
BY
{ (Auto THEN SqequalSqle THEN Unfold `ifthenelse` 0 THEN RW StrictLemC 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[a,b:Top].    (if  \mbot{}  then  a  else  b  fi    \msim{}  \mbot{})


By

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Latex:
(Auto  THEN  SqequalSqle  THEN  Unfold  `ifthenelse`  0  THEN  RW  StrictLemC  0  THEN  Auto)

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