Step
*
1
1
of Lemma
oal_lt_iff_grp_lt
1. s : LOSet@i'
2. g : OGrp@i'
3. ps : |oal(s;g)|@i
4. qs : |oal(s;g)|@i
⊢ ps << qs
⇐⇒ (ps ≤ qs) ∧ (¬(qs ≤ ps))
BY
{ % Need binrel_ap abstraction here for
functionality reasoning in subsequent rewrite %
RWN 2 ab_binrel_apC 0
}
1
1. s : LOSet@i'
2. g : OGrp@i'
3. ps : |oal(s;g)|@i
4. qs : |oal(s;g)|@i
⊢ ps [x,y:|oal(s;g)|. x << y] qs
⇐⇒ (ps ≤ qs) ∧ (¬(qs ≤ ps))
Latex:
Latex:
1. s : LOSet@i'
2. g : OGrp@i'
3. ps : |oal(s;g)|@i
4. qs : |oal(s;g)|@i
\mvdash{} ps << qs \mLeftarrow{}{}\mRightarrow{} (ps \mleq{} qs) \mwedge{} (\mneg{}(qs \mleq{} ps))
By
Latex:
\% Need binrel\_ap abstraction here for
functionality reasoning in subsequent rewrite \%
RWN 2 ab\_binrel\_apC 0
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