At: mn 23 lem 111121112 1. Alph: Type 2. R: Alph*Alph*Prop 3. Fin(Alph) 4. EquivRel x,y:Alph*. x R y 5. Fin(x,y:Alph*//(x R y)) 6. x,y,z:Alph*. (x R y) ((z @ x) R (z @ y)) 7. g: (x,y:Alph*//(x R y)) 8. x: x,y:Alph*//(x R y) 9. y: x,y:Alph*//(x R y) 10. a: Alph 11. p: (x,y:Alph*//(x R y))(x,y:Alph*//(x R y)) 12. x1: x,y:Alph*//(x R y) 13. y1: x,y:Alph*//(x R y) 14. p = < x1,y1 >
a.y1 x,y:Alph*//(x R y) By: Analyze 13
THEN
Analyze Generated subgoal: