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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 8160 | . 2 ⊢ · :(ℂ × ℂ)⟶ℂ | |
| 2 | cnex 8161 | . . 3 ⊢ ℂ ∈ V | |
| 3 | 2, 2 | xpex 4844 | . 2 ⊢ (ℂ × ℂ) ∈ V |
| 4 | fex2 5505 | . 2 ⊢ (( · :(ℂ × ℂ)⟶ℂ ∧ (ℂ × ℂ) ∈ V ∧ ℂ ∈ V) → · ∈ V) | |
| 5 | 1, 3, 2, 4 | mp3an 1373 | 1 ⊢ · ∈ V |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2201 Vcvv 2801 × cxp 4725 ⟶wf 5324 ℂcc 8035 · cmul 8042 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2203 ax-14 2204 ax-ext 2212 ax-sep 4208 ax-pow 4266 ax-pr 4301 ax-un 4532 ax-cnex 8128 ax-mulf 8160 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ral 2514 df-rex 2515 df-v 2803 df-un 3203 df-in 3205 df-ss 3212 df-pw 3655 df-sn 3676 df-pr 3677 df-op 3679 df-uni 3895 df-br 4090 df-opab 4152 df-xp 4733 df-rel 4734 df-cnv 4735 df-dm 4737 df-rn 4738 df-fun 5330 df-fn 5331 df-f 5332 |
| This theorem is referenced by: (None) |
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