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NEAB
ANELABC+TRABC  proposition:01
ELABC
TRABC
NCABC   defn:triangle
ANEEABBC+EEBCCA  defn:equilateral
EEBCCA
EEACCB  lemma:doublereverse
EEACBC  lemma:congruenceflip
EQCB  assumption
 COACB defn:collinear
 COABC lemma:collinearorder
NECB   reductio
ANBECBD+EEBDAB  lemma:extension
EEBDAB
EQCA  assumption
 COBCA  defn:collinear
 COABC  lemma:collinearorder
NECA   reductio
ANBECAE+EEAEAB  lemma:extension
EEAEAB
BECBD
BECAE
BEDBC  axiom:betweennesssymmetry
BEEAC  axiom:betweennesssymmetry
CODCE assumption
 COCAE defn:collinear
 COCBD defn:collinear
 COECD lemma:collinearorder
 COECA lemma:collinearorder
 NECE lemma:betweennotequal
 NEEC  lemma:inequalitysymmetric
 COCDA lemma:collinear4
 CODCB lemma:collinearorder
 CODCA lemma:collinearorder
 NECD lemma:betweennotequal
 NEDC lemma:inequalitysymmetric
 COCBA lemma:collinear4
 COABC lemma:collinearorder
 NCABC
NCDCE reductio
ANBEDFA+BEEFB  postulate:Pasch-inner
BEDFA
BEEFB
BEBFE   axiom:betweennesssymmetry
BEAFD   axiom:betweennesssymmetry
BECBD
NECD lemma:betweennotequal
NEDC lemma:inequalitysymmetric
COADC assumption
 COCBD defn:collinear
 CODCA  lemma:collinearorder
 CODCB lemma:collinearorder
 COCAB  lemma:collinear4
 COABC  lemma:collinearorder
 NCABC
NCADC reductio
ANBEAMB+BECMF postulate:Pasch-inner
BEAMB
BECMF
EECACB  lemma:congruenceflip
EEABAE  lemma:congruencesymmetric
EEBDAE  lemma:congruencetransitive
EEAEBD  lemma:congruencesymmetric
EEABBA  cn:equalityreverse
BECAE
BECBD
EECBCA  lemma:congruencesymmetric
EEBEAD  axiom:5-line
BEBFE
EEBFBF cn:congruencereflexive
LTBFBE  defn:lessthan
EEADBE  lemma:congruencesymmetric
ANBEAGD+EEAGBF  proposition:03
BEAGD
EEAGBF
EEGDFE  lemma:differenceofparts
EEEFDG  lemma:doublereverse
EEFBGA  lemma:doublereverse
EEAEBD
EEEADB  lemma:congruenceflip
EEBAAB  cn:equalityreverse
BEEFB
BEDGA   axiom:betweennesssymmetry
EEFAGB  lemma:interior5
EEAFBG  lemma:congruenceflip
EEBDAE
EEEDDE  cn:equalityreverse
EEFDGE  lemma:interior5
BEAFD
EEAFBG
EEFDGE
EEADBE
BEBGE   lemma:betweennesspreserved
BEEGB  axiom:betweennesssymmetry
COADE  assumption 
 COCAE  defn:collinear
 COAED  lemma:collinearorder
 COAEC  lemma:collinearorder
 NEAE   lemma:betweennotequal
 COEDC  lemma:collinear4
 COECD  lemma:collinearorder
 COECA  lemma:collinearorder
 NECE   lemma:betweennotequal
 NEEC   lemma:inequalitysymmetric
 COCDA  lemma:collinear4
 COCBD  defn:collinear
 CODCA  lemma:collinearorder
 CODCB lemma:collinearorder
 NECD  lemma:betweennotequal
 NEDC  lemma:inequalitysymmetric
 COCAB lemma:collinear4
 COABC lemma:collinearorder    
NCADE  reductio
COADB  assumption
 CODBA lemma:collinearorder
 COCBD defn:collinear
 CODBC lemma:collinearorder
 NEBD lemma:betweennotequal
 NEDB  lemma:inequalitysymmetric
 COBAC lemma:collinear4
 COABC lemma:collinearorder
NCADB  reductio
CUADEBG  defn:cut
BEAFD
BEEFB  
CUADEBF  defn:cut
CODEB  assumption
 COCBD   defn:collinear
 CODBC  lemma:collinearorder
 CODBE  lemma:collinearorder
 NEBD  lemma:betweennotequal
 NEDB  lemma:inequalitysymmetric
 COBCE lemma:collinear4
 COCAE defn:collinear
 COECA  lemma:collinearorder
 COECB lemma:collinearorder
 NECE  lemma:betweennotequal
 NEEC  lemma:inequalitysymmetric
 COCAB  lemma:collinear4
 COABC  lemma:collinearorder
NCDEB  reductio
EQGF   lemma:twolines
EEAGBF
EEAFBF  cn:equalitysub
EEFAFB  lemma:congruenceflip
EECMCM  cn:congruencereflexive
EEMFMF  cn:congruencereflexive
EECACB
EEMAMB  lemma:interior5
ANBEAMB+EEMAMB