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Definition df-ex 121
 Description: Define the existence operator.
Assertion
Ref Expression
df-ex
Distinct variable group:   ,,

Detailed syntax breakdown of Definition df-ex
StepHypRef Expression
1 kt 8 . 2 term
2 tex 113 . . 3 term
3 hal . . . . 5 type
4 hb 3 . . . . 5 type
53, 4ht 2 . . . 4 type
6 vp . . . 4 var
7 tal 112 . . . . 5 term
8 vq . . . . . 6 var
9 vx . . . . . . . . 9 var
105, 6tv 1 . . . . . . . . . . 11 term
113, 9tv 1 . . . . . . . . . . 11 term
1210, 11kc 5 . . . . . . . . . 10 term
134, 8tv 1 . . . . . . . . . 10 term
14 tim 111 . . . . . . . . . 10 term
1512, 13, 14kbr 9 . . . . . . . . 9 term
163, 9, 15kl 6 . . . . . . . 8 term
177, 16kc 5 . . . . . . 7 term
1817, 13, 14kbr 9 . . . . . 6 term
194, 8, 18kl 6 . . . . 5 term
207, 19kc 5 . . . 4 term
215, 6, 20kl 6 . . 3 term
22 ke 7 . . 3 term
232, 21, 22kbr 9 . 2 term
241, 23wffMMJ2 11 1 wff
 Colors of variables: type var term This definition is referenced by:  wex  129  exval  133
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