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| Mirrors > Home > ILE Home > Th. List > addex | Unicode version | ||
| Description: The addition operation is a set. (Contributed by NM, 19-Oct-2004.) (Revised by Mario Carneiro, 17-Nov-2014.) |
| Ref | Expression |
|---|---|
| addex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-addf 8067 |
. 2
| |
| 2 | cnex 8069 |
. . 3
| |
| 3 | 2, 2 | xpex 4798 |
. 2
|
| 4 | fex2 5454 |
. 2
| |
| 5 | 1, 3, 2, 4 | mp3an 1350 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2179 ax-14 2180 ax-ext 2188 ax-sep 4170 ax-pow 4226 ax-pr 4261 ax-un 4488 ax-cnex 8036 ax-addf 8067 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ral 2490 df-rex 2491 df-v 2775 df-un 3174 df-in 3176 df-ss 3183 df-pw 3623 df-sn 3644 df-pr 3645 df-op 3647 df-uni 3857 df-br 4052 df-opab 4114 df-xp 4689 df-rel 4690 df-cnv 4691 df-dm 4693 df-rn 4694 df-fun 5282 df-fn 5283 df-f 5284 |
| This theorem is referenced by: (None) |
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