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| Mirrors > Home > ILE Home > Th. List > mulex | GIF version | ||
| Description: The multiplication operation is a set. (Contributed by NM, 19-Oct-2004.) (Revised by Mario Carneiro, 17-Nov-2014.) |
| Ref | Expression |
|---|---|
| mulex | ⊢ · ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-mulf 8055 | . 2 ⊢ · :(ℂ × ℂ)⟶ℂ | |
| 2 | cnex 8056 | . . 3 ⊢ ℂ ∈ V | |
| 3 | 2, 2 | xpex 4794 | . 2 ⊢ (ℂ × ℂ) ∈ V |
| 4 | fex2 5450 | . 2 ⊢ (( · :(ℂ × ℂ)⟶ℂ ∧ (ℂ × ℂ) ∈ V ∧ ℂ ∈ V) → · ∈ V) | |
| 5 | 1, 3, 2, 4 | mp3an 1350 | 1 ⊢ · ∈ V |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2177 Vcvv 2773 × cxp 4677 ⟶wf 5272 ℂcc 7930 · cmul 7937 |
| 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 4166 ax-pow 4222 ax-pr 4257 ax-un 4484 ax-cnex 8023 ax-mulf 8055 |
| 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 3171 df-in 3173 df-ss 3180 df-pw 3619 df-sn 3640 df-pr 3641 df-op 3643 df-uni 3853 df-br 4048 df-opab 4110 df-xp 4685 df-rel 4686 df-cnv 4687 df-dm 4689 df-rn 4690 df-fun 5278 df-fn 5279 df-f 5280 |
| This theorem is referenced by: (None) |
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