1 | 14. p:((x,y:Alph*//(x R y)) (x,y:Alph*//(x R y))).
(p/p1,p2.(g(p1)) = (g(p2))) = false & mem_f((x,y:Alph*//(x R y)) (x,y:Alph*//(x R y));p;v) 15. (u/u1,u2.(g(u1)) = (g(u2))) = false Dec( p:((x,y:Alph*//(x R y)) (x,y:Alph*//(x R y))).
(p/p1,p2.(g(p1)) = (g(p2))) = false
& u = p mem_f((x,y:Alph*//(x R y)) (x,y:Alph*//(x R y));p;v)) |
2 | 14. ( p:((x,y:Alph*//(x R y)) (x,y:Alph*//(x R y))).
(p/p1,p2.(g(p1)) = (g(p2))) = false & mem_f((x,y:Alph*//(x R y)) (x,y:Alph*//(x R y));p;v)) 15. (u/u1,u2.(g(u1)) = (g(u2))) = false Dec( p:((x,y:Alph*//(x R y)) (x,y:Alph*//(x R y))).
(p/p1,p2.(g(p1)) = (g(p2))) = false
& u = p mem_f((x,y:Alph*//(x R y)) (x,y:Alph*//(x R y));p;v)) |