Step
*
of Lemma
es-causl-trans3
∀es:EO. ∀a,b,c:E. ((a < b)
⇒ b c≤ c
⇒ (a < c))
BY
{ ((Auto THEN D -1) THENL [((InstESAxiom ⌈es⌉ [] 6)⋅ THEN UseTrans ⌈b⌉⋅ THEN Auto); (RevHypSubst' -1 0 THEN Auto)]) }
Latex:
\mforall{}es:EO. \mforall{}a,b,c:E. ((a < b) {}\mRightarrow{} b c\mleq{} c {}\mRightarrow{} (a < c))
By
((Auto THEN D -1)
THENL [((InstESAxiom \mkleeneopen{}es\mkleeneclose{} [] 6)\mcdot{} THEN UseTrans \mkleeneopen{}b\mkleeneclose{}\mcdot{} THEN Auto); (RevHypSubst' -1 0 THEN Auto)]
)
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