ord-ax-refl

Theorem.

Arguments:

ca (coll), cb (coll),

Assertions:

((casubseteqcb)to((casubseteqca)wedge(cbsubseteqcb)))

Proof:

Hyp Ref Line Expr
sub-refl1(casubseteqca)
sub-refl2(cbsubseteqcb)
1, 2>andi3((casubseteqca)wedge(cbsubseteqcb))
3ax14((casubseteqcb)to((casubseteqca)wedge(cbsubseteqcb)))