Step
*
of Lemma
classrel-evidence
∀[Info,T:Type]. ∀[X:EClass(T)]. ∀[es:EO+(Info)]. ∀[e:E]. ∀[v:T]. ⋅ ∈ v ∈ X(e) supposing v ∈ X(e)
BY
{ ((UnivCD THENA Auto) THEN All (Unfold `classrel`) THEN Unfold `it` 0 THEN BLemma `bag-member-evidence` THEN Auto) }
Latex:
\mforall{}[Info,T:Type]. \mforall{}[X:EClass(T)]. \mforall{}[es:EO+(Info)]. \mforall{}[e:E]. \mforall{}[v:T]. \mcdot{} \mmember{} v \mmember{} X(e) supposing v \mmember{} X(e)
By
((UnivCD THENA Auto)
THEN All (Unfold `classrel`)
THEN Unfold `it` 0
THEN BLemma `bag-member-evidence`
THEN Auto)
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