src/HOL/SMT/Examples/cert/z3_prop_01.proof

adapted Function_Lib (cf. b8cdd3d73022);

#2 := false
#1 := true
#4 := (not true)
#21 := (iff #4 false)
#22 := [rewrite]: #21
#20 := [asserted]: #4
[mp #20 #22]: false
unsat