Step
*
of Lemma
fset-singleton_wf
∀[T:Type]. ∀[x:T]. ({x} ∈ fset(T))
BY
{ ((Unfold `fset-singleton` 0 THEN Auto) THEN MemTypeCD THEN Auto) }
Latex:
Latex:
\mforall{}[T:Type]. \mforall{}[x:T]. (\{x\} \mmember{} fset(T))
By
Latex:
((Unfold `fset-singleton` 0 THEN Auto) THEN MemTypeCD THEN Auto)
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