Step
*
of Lemma
FormAnd-left_wf
∀[C:Type]. ∀[v:Form(C)]. FormAnd-left(v) ∈ Form(C) supposing ↑FormAnd?(v)
BY
{ DepprodCoDatatypeSelectorWf }
Latex:
Latex:
\mforall{}[C:Type]. \mforall{}[v:Form(C)]. FormAnd-left(v) \mmember{} Form(C) supposing \muparrow{}FormAnd?(v)
By
Latex:
DepprodCoDatatypeSelectorWf
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