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| Mirrors > Home > MPE Home > Th. List > ovprc1 | Structured version Visualization version GIF version | ||
| Description: The value of an operation when the first argument is a proper class. (Contributed by NM, 16-Jun-2004.) |
| Ref | Expression |
|---|---|
| ovprc1.1 | ⊢ Rel dom 𝐹 |
| Ref | Expression |
|---|---|
| ovprc1 | ⊢ (¬ 𝐴 ∈ V → (𝐴𝐹𝐵) = ∅) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpl 488 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐵 ∈ V) → 𝐴 ∈ V) | |
| 2 | ovprc1.1 | . . 3 ⊢ Rel dom 𝐹 | |
| 3 | 2 | ovprc 7456 | . 2 ⊢ (¬ (𝐴 ∈ V ∧ 𝐵 ∈ V) → (𝐴𝐹𝐵) = ∅) |
| 4 | 1, 3 | nsyl5 160 | 1 ⊢ (¬ 𝐴 ∈ V → (𝐴𝐹𝐵) = ∅) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 Vcvv 3451 ∅c0 4279 dom cdm 5651 Rel wrel 5656 (class class class)co 7418 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pr 5391 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-ne 2957 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-xp 5657 df-rel 5658 df-dm 5661 df-iota 6493 df-fv 6545 df-ov 7421 |
| This theorem is used by: elfvov1 7460 mapssfset 8866 mapdom2 9160 relexpsucrd 15179 relexpsucld 15180 relexpreld 15186 relexpdmd 15190 relexprnd 15194 relexpfldd 15196 relexpaddd 15200 dfrtrclrec2 15204 relexpindlem 15209 oveqprc 17363 ressinbas 17416 ressress 17418 oduval 18455 oduleval 18456 gsum0 18866 efmndbas 19060 oppgval 19554 oppgplusfval 19555 mgpval 20356 opprval 20561 srasca 21448 rlmsca2 21467 dsmmval 22033 dsmmfi 22037 resspsrbas 22274 mpfrcl 22387 psrbaspropd 22545 mplbaspropd 22547 evl1fval1 22642 qtopres 24010 fgabs 24191 tngds 24960 tcphval 25532 of0r 33266 erlval 33812 fracval 33859 resvsca 33886 mapco2g 43704 mzpmfp 43737 mendbas 44166 naryfvalixp 49710 1aryenef 49726 2aryenef 49737 resccat 50151 |
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