Step
*
of Lemma
test36
λz,loc,L. if (∃l∈L.IdDeq l loc)_b then {L} else {[loc / L]} fi ∈ ∩A:Type. (A ─→ Id ─→ (Id List) ─→ bag(Id List))
BY
{ (UseSimpleTypeInf THEN CongruenceAuto) }
Latex:
\mlambda{}z,loc,L. if (\mexists{}l\mmember{}L.IdDeq l loc)\_b then \{L\} else \{[loc / L]\} fi \mmember{} \mcap{}A:Type
(A {}\mrightarrow{} Id {}\mrightarrow{} (Id List) {}\mrightarrow{} bag(Id List))
By
(UseSimpleTypeInf THEN CongruenceAuto)
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