Nuprl Lemma : oal_hgp_subtype_oal_grp
∀s:LOSet. ∀g:OGrp.  (|oal_hgp(s;g)| ⊆r |oal_grp(s;g)|)
Proof
Definitions occuring in Statement : 
oal_hgp: oal_hgp(s;g)
, 
oal_grp: oal_grp(s;g)
, 
subtype_rel: A ⊆r B
, 
all: ∀x:A. B[x]
, 
ocgrp: OGrp
, 
grp_car: |g|
, 
loset: LOSet
Definitions unfolded in proof : 
all: ∀x:A. B[x]
, 
member: t ∈ T
, 
oal_grp: oal_grp(s;g)
, 
grp_car: |g|
, 
oal_hgp: oal_hgp(s;g)
, 
pi1: fst(t)
Lemmas referenced : 
ocgrp_wf, 
loset_wf, 
set_car_inc
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation, 
cut, 
lemma_by_obid, 
hypothesis, 
sqequalRule, 
sqequalHypSubstitution, 
dependent_functionElimination, 
thin, 
hypothesisEquality
Latex:
\mforall{}s:LOSet.  \mforall{}g:OGrp.    (|oal\_hgp(s;g)|  \msubseteq{}r  |oal\_grp(s;g)|)
Date html generated:
2016_05_16-AM-08_22_25
Last ObjectModification:
2015_12_28-PM-06_24_51
Theory : polynom_2
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