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Mirrors > Home > ILE Home > Th. List > dffv3g | Unicode version |
Description: A definition of function value in terms of iota. (Contributed by Jim Kingdon, 29-Dec-2018.) |
Ref | Expression |
---|---|
dffv3g |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-fv 5177 | . 2 | |
2 | vex 2715 | . . . 4 | |
3 | elimasng 4953 | . . . . 5 | |
4 | df-br 3966 | . . . . 5 | |
5 | 3, 4 | bitr4di 197 | . . . 4 |
6 | 2, 5 | mpan2 422 | . . 3 |
7 | 6 | iotabidv 5155 | . 2 |
8 | 1, 7 | eqtr4id 2209 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wceq 1335 wcel 2128 cvv 2712 csn 3560 cop 3563 class class class wbr 3965 cima 4588 cio 5132 cfv 5169 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1427 ax-7 1428 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-10 1485 ax-11 1486 ax-i12 1487 ax-bndl 1489 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-14 2131 ax-ext 2139 ax-sep 4082 ax-pow 4135 ax-pr 4169 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1338 df-nf 1441 df-sb 1743 df-eu 2009 df-mo 2010 df-clab 2144 df-cleq 2150 df-clel 2153 df-nfc 2288 df-ral 2440 df-rex 2441 df-v 2714 df-sbc 2938 df-un 3106 df-in 3108 df-ss 3115 df-pw 3545 df-sn 3566 df-pr 3567 df-op 3569 df-uni 3773 df-br 3966 df-opab 4026 df-xp 4591 df-cnv 4593 df-dm 4595 df-rn 4596 df-res 4597 df-ima 4598 df-iota 5134 df-fv 5177 |
This theorem is referenced by: dffv4g 5464 fvco2 5536 shftval 10720 |
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