let ap, bp, cp be non pair set ; :: thesis: for x, y, z being set holds InputVertices (BitGFA0Str ap,bp,cp) misses InnerVertices (BitGFA0Str x,y,z)
let x, y, z be set ; :: thesis: InputVertices (BitGFA0Str ap,bp,cp) misses InnerVertices (BitGFA0Str x,y,z)
set S1 = BitGFA0Str ap,bp,cp;
set S2 = BitGFA0Str x,y,z;
( not InputVertices (BitGFA0Str ap,bp,cp) is with_pair & InnerVertices (BitGFA0Str x,y,z) is Relation ) by GFACIRC1:40, GFACIRC1:43;
hence InputVertices (BitGFA0Str ap,bp,cp) misses InnerVertices (BitGFA0Str x,y,z) by FACIRC_1:5; :: thesis: verum