Step
*
2
1
2
of Lemma
class-pred-cases
1. ∀[T:Type]. ∀[b:bag(T)]. (↓∃x:T. x ↓∈ b
⇐⇒ 0 < #(b))
2. [Info] : Type
3. [T] : Type
4. X : EClass(T)@i'
5. es : EO+(Info)@i'
6. e : E@i
7. x : E@i
8. \\%3 : (x <loc e) ∧ (↑0 <z #(X es x)) ∧ (∀e'':E. ((x <loc e'')
⇒ (e'' <loc e)
⇒ (¬↑0 <z #(X es e''))))@i
9. (last(λe'.0 <z #(X es e')) e)
= (inl x)
∈ ((∃e':{E| ((e' <loc e) ∧ (↑0 <z #(X es e')) ∧ (∀e'':E. ((e' <loc e'')
⇒ (e'' <loc e)
⇒ (¬↑0 <z #(X es e'')))))})
∨ (¬(∃e':{E| ((e' <loc e) ∧ (↑0 <z #(X es e')))})))
10. (x <loc e)
⊢ ↓∃v:T. v ∈ X(x)
BY
{ (Unhide THEN Auto THEN RepUR ``classrel`` 0 THEN RepeatFor 3 (Thin (-1)))⋅ }
1
1. ∀[T:Type]. ∀[b:bag(T)]. (↓∃x:T. x ↓∈ b
⇐⇒ 0 < #(b))
2. Info : Type
3. T : Type
4. X : EClass(T)@i'
5. es : EO+(Info)@i'
6. e : E@i
7. x : E@i
8. (x <loc e)@i
9. ↑0 <z #(X es x)@i
⊢ ↓∃v:T. v ↓∈ X es x
Latex:
Latex:
1. \mforall{}[T:Type]. \mforall{}[b:bag(T)]. (\mdownarrow{}\mexists{}x:T. x \mdownarrow{}\mmember{} b \mLeftarrow{}{}\mRightarrow{} 0 < \#(b))
2. [Info] : Type
3. [T] : Type
4. X : EClass(T)@i'
5. es : EO+(Info)@i'
6. e : E@i
7. x : E@i
8. \mbackslash{}\mbackslash{}\%3 : (x <loc e)
\mwedge{} (\muparrow{}0 <z \#(X es x))
\mwedge{} (\mforall{}e'':E. ((x <loc e'') {}\mRightarrow{} (e'' <loc e) {}\mRightarrow{} (\mneg{}\muparrow{}0 <z \#(X es e''))))@i
9. (last(\mlambda{}e'.0 <z \#(X es e')) e) = (inl x)
10. (x <loc e)
\mvdash{} \mdownarrow{}\mexists{}v:T. v \mmember{} X(x)
By
Latex:
(Unhide THEN Auto THEN RepUR ``classrel`` 0 THEN RepeatFor 3 (Thin (-1)))\mcdot{}
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