Step
*
of Lemma
es-E-interface-conditional2
∀[Info:Type]. ∀[es:EO+(Info)]. ∀[X,Y:EClass(Top)]. (E([X?Y]) ⊆r {e:E| (↑e ∈b Y) ∨ (↑e ∈b X)} )
BY
{ Auto }
1
1. Info : Type
2. es : EO+(Info)
3. X : EClass(Top)
4. Y : EClass(Top)
⊢ E([X?Y]) ⊆r {e:E| (↑e ∈b Y) ∨ (↑e ∈b X)}
Latex:
\mforall{}[Info:Type]. \mforall{}[es:EO+(Info)]. \mforall{}[X,Y:EClass(Top)]. (E([X?Y]) \msubseteq{}r \{e:E| (\muparrow{}e \mmember{}\msubb{} Y) \mvee{} (\muparrow{}e \mmember{}\msubb{} X)\} )
By
Auto
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