TPTP Problem File: PRV089+1.s
View Solutions
- Solve Problem
%------------------------------------------------------------------------------
% File : PRV089+1.s : ProoVer 2026
% Proof : Problems/PRV089+1.p
%------------------------------------------------------------------------------
% SZS output start Proof
fof(a1,axiom,
? [Y] : p(Y),
file('Problems/PRV089+1.p',a1) ).
fof(a2,axiom,
! [X] : q(X),
file('Problems/PRV089+1.p',a2) ).
fof(c,conjecture,
? [Z] :
( p(Z)
& q(Z) ),
file('Problems/PRV089+1.p',c) ).
fof(skA,plain,
p(sK0),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0]),skolemize(Y,sK0)],[a1]) ).
fof(instB,plain,
q(sK0),
inference(instantiate,[status(thm)],[a2]) ).
fof(s,plain,
( p(sK0)
& q(sK0) ),
inference(conjunction,[status(thm)],[skA,instB]) ).
fof(s2,plain,
? [Z] :
( p(Z)
& q(Z) ),
inference(existential_gen,[status(thm)],[s]) ).
fof(negc,negated_conjecture,
~ ? [Z] :
( p(Z)
& q(Z) ),
inference(negated_conjecture,[status(cth)],[c]) ).
fof(bot,plain,
$false,
inference(consequence,[status(thm)],[negc,s2]) ).
% SZS output end Proof