Step * 2 of Lemma member-per-or-left

.....wf..... 
1. Type
2. Type
3. A
⊢ Ax ∈ per-value()
BY
TACTIC:(BLemma `member-per-value` THEN Reduce THEN Auto) }


Latex:


Latex:
.....wf..... 
1.  A  :  Type
2.  B  :  Type
3.  a  :  A
\mvdash{}  Ax  \mmember{}  per-value()


By


Latex:
TACTIC:(BLemma  `member-per-value`  THEN  Reduce  0  THEN  Auto)




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