Step
*
1
of Lemma
hgrp_of_ocgrp_wf2
1. g : OGrp
⊢ ∃h:OCMon
∃f:|(g↓hgrp)| ⟶ |h|
(IsMonHomInj(g↓hgrp;h;f)
∧ RelsIso(|(g↓hgrp)|;|h|;x,y.↑(x =b y);x,y.↑(x =b y);f)
∧ RelsIso(|(g↓hgrp)|;|h|;x,y.↑(x ≤b y);x,y.↑(x ≤b y);f))
BY
{ ((Reduce 0
THENM InstConcl [g;λx.x]
THENM GenRepD) THENA Auto) }
1
1. g : OGrp
⊢ IsMonHomInj(g↓hgrp;g;λx.x)
2
1. g : OGrp
⊢ RelsIso(|g|+;|g|;x,y.↑(x =b y);x,y.↑(x =b y);λx.x)
3
1. g : OGrp
⊢ RelsIso(|g|+;|g|;x,y.↑(x ≤b y);x,y.↑(x ≤b y);λx.x)
Latex:
Latex:
1. g : OGrp
\mvdash{} \mexists{}h:OCMon
\mexists{}f:|(g\mdownarrow{}hgrp)| {}\mrightarrow{} |h|
(IsMonHomInj(g\mdownarrow{}hgrp;h;f)
\mwedge{} RelsIso(|(g\mdownarrow{}hgrp)|;|h|;x,y.\muparrow{}(x =\msubb{} y);x,y.\muparrow{}(x =\msubb{} y);f)
\mwedge{} RelsIso(|(g\mdownarrow{}hgrp)|;|h|;x,y.\muparrow{}(x \mleq{}\msubb{} y);x,y.\muparrow{}(x \mleq{}\msubb{} y);f))
By
Latex:
((Reduce 0
THENM InstConcl [g;\mlambda{}x.x]
THENM GenRepD) THENA Auto)
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