Step * 1 of Lemma es-interface-predecessors-nonempty


1. Info Type
2. es EO+(Info)
3. EClass(Top)
4. E(X)
⊢ 0 < ||≤(X)(e)||
BY
(InstLemma `es-interface-predecessors-member` [⌈Info⌉;⌈es⌉;⌈X⌉;⌈e⌉]⋅ THENA Auto) }

1
1. Info Type
2. es EO+(Info)
3. EClass(Top)
4. E(X)
5. (e ∈ ≤(X)(e))
⊢ 0 < ||≤(X)(e)||


Latex:



Latex:

1.  Info  :  Type
2.  es  :  EO+(Info)
3.  X  :  EClass(Top)
4.  e  :  E(X)
\mvdash{}  0  <  ||\mleq{}(X)(e)||


By


Latex:
(InstLemma  `es-interface-predecessors-member`  [\mkleeneopen{}Info\mkleeneclose{};\mkleeneopen{}es\mkleeneclose{};\mkleeneopen{}X\mkleeneclose{};\mkleeneopen{}e\mkleeneclose{}]\mcdot{}  THENA  Auto)




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