Sindbad~EG File Manager
PGABCD
BEADE
PRABCD defn:parallelogram
PRADBC defn:parallelogram
PRCDAB lemma:parallelsymmetric
TPCDAB lemma:paralleldef2B
SSABCD defn:tarski_parallel
SSBACD lemma:samesidesymmetric
EQDD cn:equalityreflexive
NEAD lemma:betweennotequal
COADD defn:collinear
COADE defn:collinear
CODDE lemma:collinear4
COEDD lemma:collinearorder
COCDD defn:collinear
NCACD lemma:parallelNC
NCCDA lemma:NCorder
ANBEADE+COCDD+NCCDA
OSACDE defn:oppositeside
OSBCDE lemma:planeseparation
ANBEBHE+COCDH+NCCDB defn:oppositeside
BEBHE
COCDH
BEEHB axiom:betweennesssymmetry
CODCH lemma:collinearorder
PRADBC
NEAD defn:parallel
NOMEADBC defn:parallel
MEEDCB assumption
ANNEED+NECB+COEDp+COCBp defn:meet
NEED
NECB
NEBC lemma:inequalitysymmetric
COEDp
COCBp
COBCp lemma:collinearorder
COADE
COEDA lemma:collinearorder
CODAp lemma:collinear4
COADp lemma:collinearorder
ANNEAD+NEBC+COADp+COBCp
MEADBC defn:meet
NOMEEDCB reductio
EQCC cn:equalityreflexive
NEDE lemma:betweennotequal
NEED lemma:inequalitysymmetric
NEBC defn:parallel
NECB lemma:inequalitysymmetric
COCCB defn:collinear
COEDD
BEDHC lemma:collinearbetween
BECHD axiom:betweennesssymmetry
ANBEBHE+BECHD
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