Higher-Order Logic Explorer < Previous   Next > Nearby theorems Mirrors  >  Home  >  HOLE Home  >  Th. List  >  df-fo Unicode version

Definition df-fo 195
 Description: Define an onto function. (Contributed by Mario Carneiro, 10-Oct-2014.)
Assertion
Ref Expression
df-fo onto
Distinct variable group:   ,,

Detailed syntax breakdown of Definition df-fo
StepHypRef Expression
1 kt 8 . 2 term
2 tfo 190 . . 3 term onto
3 hal . . . . 5 type
4 hbe . . . . 5 type
53, 4ht 2 . . . 4 type
6 vf . . . 4 var
7 tal 122 . . . . 5 term
8 vy . . . . . 6 var
9 tex 123 . . . . . . 7 term
10 vx . . . . . . . 8 var
114, 8tv 1 . . . . . . . . 9 term
125, 6tv 1 . . . . . . . . . 10 term
133, 10tv 1 . . . . . . . . . 10 term
1412, 13kc 5 . . . . . . . . 9 term
15 ke 7 . . . . . . . . 9 term
1611, 14, 15kbr 9 . . . . . . . 8 term
173, 10, 16kl 6 . . . . . . 7 term
189, 17kc 5 . . . . . 6 term
194, 8, 18kl 6 . . . . 5 term
207, 19kc 5 . . . 4 term
215, 6, 20kl 6 . . 3 term
222, 21, 15kbr 9 . 2 term onto
231, 22wffMMJ2 11 1 wff onto
 Colors of variables: type var term This definition is referenced by: (None)
 Copyright terms: Public domain W3C validator