Step
*
of Lemma
member-eclass-iff-size1
∀[Info,T:Type]. ∀[X:EClass(T)]. ∀[es:EO+(Info)]. ∀[e:E]. (↑e ∈b X
⇐⇒ 1 ≤ #(X es e))
BY
{ ((UnivCD THENA Auto) THEN RWO "member-eclass-iff-size" 0 THEN Auto) }
Latex:
\mforall{}[Info,T:Type]. \mforall{}[X:EClass(T)]. \mforall{}[es:EO+(Info)]. \mforall{}[e:E]. (\muparrow{}e \mmember{}\msubb{} X \mLeftarrow{}{}\mRightarrow{} 1 \mleq{} \#(X es e))
By
((UnivCD THENA Auto) THEN RWO "member-eclass-iff-size" 0 THEN Auto)
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