Step
*
of Lemma
equal-in-bar
∀[T:Type]. (value-type(T)
⇒ (∀b:bar(T). ∀a:T. ((b = a ∈ bar(T))
⇒ (b = a ∈ T))))
BY
{ (Auto
THEN (InstLemma `strong-subtype-bar` [⌜T⌝]⋅ THENA Auto)
THEN FLemma `strong-subtype-implies` [-1]
THEN Auto
THEN BHyp -1
THEN Auto) }
Latex:
Latex:
\mforall{}[T:Type]. (value-type(T) {}\mRightarrow{} (\mforall{}b:bar(T). \mforall{}a:T. ((b = a) {}\mRightarrow{} (b = a))))
By
Latex:
(Auto
THEN (InstLemma `strong-subtype-bar` [\mkleeneopen{}T\mkleeneclose{}]\mcdot{} THENA Auto)
THEN FLemma `strong-subtype-implies` [-1]
THEN Auto
THEN BHyp -1
THEN Auto)
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