Step
*
1
of Lemma
strong-continuity2-implies-weak-skolem-cantor-nat
1. F : (â âś đš) âś â
⢠â(âM:(â âś đš) âś â. âf,g:â âś đš. ((f = g â (âM f âś đš))
â ((F f) = (F g) â â)))
BY
{ (InstLemma `strong-continuity2-no-inner-squash-cantor2` [âFâ]â
THENA Auto) }
1
1. F : (â âś đš) âś â
2. â(âM:n:â âś (ân âś đš) âś (â?)
âf:â âś đš. ((ân:â. ((M n f) = (inl (F f)) â (â?))) ⧠(ân:â. (M n f) = (inl (F f)) â (â?) supposing âisl(M n f))))
⢠â(âM:(â âś đš) âś â. âf,g:â âś đš. ((f = g â (âM f âś đš))
â ((F f) = (F g) â â)))
Latex:
Latex:
1. F : (\mBbbN{} {}\mrightarrow{} \mBbbB{}) {}\mrightarrow{} \mBbbN{}
\mvdash{} \00D9(\mexists{}M:(\mBbbN{} {}\mrightarrow{} \mBbbB{}) {}\mrightarrow{} \mBbbN{}. \mforall{}f,g:\mBbbN{} {}\mrightarrow{} \mBbbB{}. ((f = g) {}\mRightarrow{} ((F f) = (F g))))
By
Latex:
(InstLemma `strong-continuity2-no-inner-squash-cantor2` [\mkleeneopen{}F\mkleeneclose{}]\mcdot{} THENA Auto)
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