Step
*
of Lemma
fpf-const-dom
∀[A:Type]. ∀eq:EqDecider(A). ∀L:A List. ∀v:Top. ∀x:A. (↑x ∈ dom(L |-fpf-> v)
⇐⇒ (x ∈ L))
BY
{ xxx(Unfolds ``fpf-dom fpf-const`` 0 THEN Reduce 0 THEN Auto THEN All (RWO "assert-deq-member")⋅ THEN Auto)xxx }
Latex:
Latex:
\mforall{}[A:Type]. \mforall{}eq:EqDecider(A). \mforall{}L:A List. \mforall{}v:Top. \mforall{}x:A. (\muparrow{}x \mmember{} dom(L |-fpf-> v) \mLeftarrow{}{}\mRightarrow{} (x \mmember{} L))
By
Latex:
xxx(Unfolds ``fpf-dom fpf-const`` 0
THEN Reduce 0
THEN Auto
THEN All (RWO "assert-deq-member")\mcdot{}
THEN Auto)xxx
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