Step
*
1
1
of Lemma
iseg-interface-predecessors
1. [Info] : Type
2. es : EO+(Info)@i'
3. X : EClass(Top)@i'
4. e : E(X)@i
5. L : E(X) List@i
6. L ≤ ≤(X)(e)@i
7. ¬↑null(L)
8. ¬↑null(L)
⊢ last(L) ≤loc e
BY
{ ((InstLemma `member-interface-predecessors` [⌈Info⌉;⌈es⌉;⌈X⌉;⌈e⌉;⌈last(L)⌉]⋅ THENA Auto) THEN BHyp -1 ) }
1
1. [Info] : Type
2. es : EO+(Info)@i'
3. X : EClass(Top)@i'
4. e : E(X)@i
5. L : E(X) List@i
6. L ≤ ≤(X)(e)@i
7. ¬↑null(L)
8. ¬↑null(L)
9. (last(L) ∈ ≤(X)(e))
⇐⇒ last(L) ≤loc e
⊢ (last(L) ∈ ≤(X)(e))
Latex:
Latex:
1. [Info] : Type
2. es : EO+(Info)@i'
3. X : EClass(Top)@i'
4. e : E(X)@i
5. L : E(X) List@i
6. L \mleq{} \mleq{}(X)(e)@i
7. \mneg{}\muparrow{}null(L)
8. \mneg{}\muparrow{}null(L)
\mvdash{} last(L) \mleq{}loc e
By
Latex:
((InstLemma `member-interface-predecessors` [\mkleeneopen{}Info\mkleeneclose{};\mkleeneopen{}es\mkleeneclose{};\mkleeneopen{}X\mkleeneclose{};\mkleeneopen{}e\mkleeneclose{};\mkleeneopen{}last(L)\mkleeneclose{}]\mcdot{} THENA Auto)
THEN BHyp -1
)
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