Step * of Lemma eu-congruence-identity-sym

[e:EuclideanPlane]. ∀[a,b,c:Point].  b ∈ Point supposing cc=ab
BY
(Auto THEN Assert ⌜ab=cc⌝⋅}

1
.....assertion..... 
1. EuclideanPlane
2. Point
3. Point
4. Point
5. cc=ab
⊢ ab=cc

2
1. EuclideanPlane
2. Point
3. Point
4. Point
5. cc=ab
6. ab=cc
⊢ b ∈ Point


Latex:


Latex:
\mforall{}[e:EuclideanPlane].  \mforall{}[a,b,c:Point].    a  =  b  supposing  cc=ab


By


Latex:
(Auto  THEN  Assert  \mkleeneopen{}ab=cc\mkleeneclose{}\mcdot{})




Home Index