Step
*
of Lemma
dsdeq_wf
∀[A:Type]. ∀[d:DS(A)]. ∀[a:A]. (dsdeq(d;a) ∈ EqDecider(dstype(A; d; a)))
BY
{ (Unfolds ``discrete_struct dstype dsdeq`` 0 THEN Auto) }
Latex:
Latex:
\mforall{}[A:Type]. \mforall{}[d:DS(A)]. \mforall{}[a:A]. (dsdeq(d;a) \mmember{} EqDecider(dstype(A; d; a)))
By
Latex:
(Unfolds ``discrete\_struct dstype dsdeq`` 0 THEN Auto)
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