Step
*
2
of Lemma
member-parallel-class
1. Info : Type
2. A : Type
3. X : EClass(A)
4. Y : EClass(A)
5. es : EO+(Info)
6. e : E
7. ↑(e ∈b X ∨be ∈b Y)
⊢ ↑e ∈b X || Y
BY
{ (All (RepUR ``parallel-class eclass-compose2 member-eclass``)
THEN Repeat (AllPushDown)
THEN RWO "bag-size-append" 0
THEN Auto') }
Latex:
Latex:
1. Info : Type
2. A : Type
3. X : EClass(A)
4. Y : EClass(A)
5. es : EO+(Info)
6. e : E
7. \muparrow{}(e \mmember{}\msubb{} X \mvee{}\msubb{}e \mmember{}\msubb{} Y)
\mvdash{} \muparrow{}e \mmember{}\msubb{} X || Y
By
Latex:
(All (RepUR ``parallel-class eclass-compose2 member-eclass``)
THEN Repeat (AllPushDown)
THEN RWO "bag-size-append" 0
THEN Auto')
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