Step
*
of Lemma
decidable__es-p-local-pred
∀es:EO. ∀[P:E ⟶ ℙ]. ((∀e:E. Dec(P e))
⇒ (∀e,e':E. Dec(es-p-local-pred(es;P) e e')))
BY
{ (RepUR ``es-p-local-pred`` 0 THEN Auto) }
1
.....decidable?.....
1. es : EO@i'
2. [P] : E ⟶ ℙ
3. ∀e:E. Dec(P e)@i
4. e : E@i
5. e' : E@i
⊢ Dec((e' <loc e) ∧ (P e') ∧ (∀e'':E. ((e'' <loc e)
⇒ (e' <loc e'')
⇒ (¬(P e'')))))
Latex:
Latex:
\mforall{}es:EO. \mforall{}[P:E {}\mrightarrow{} \mBbbP{}]. ((\mforall{}e:E. Dec(P e)) {}\mRightarrow{} (\mforall{}e,e':E. Dec(es-p-local-pred(es;P) e e')))
By
Latex:
(RepUR ``es-p-local-pred`` 0 THEN Auto)
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