Step
*
of Lemma
bag-member-single-weak
∀[T:Type]. ∀[x,y:T]. (x ↓∈ {y}
⇐⇒ x = y ∈ T)
BY
{ (Auto THEN Try ((BagMemberD (-1) THEN Auto)) THEN Try ((BagMemberD (0) THEN Auto))) }
Latex:
Latex:
\mforall{}[T:Type]. \mforall{}[x,y:T]. (x \mdownarrow{}\mmember{} \{y\} \mLeftarrow{}{}\mRightarrow{} x = y)
By
Latex:
(Auto THEN Try ((BagMemberD (-1) THEN Auto)) THEN Try ((BagMemberD (0) THEN Auto)))
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