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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 7462 | . 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 1569 ∈ wcel 2144 Vcvv 3450 ∅c0 4277 dom cdm 5651 Rel wrel 5656 (class class class)co 7424 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pr 5391 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-xp 5657 df-rel 5658 df-dm 5661 df-iota 6497 df-fv 6551 df-ov 7427 |
| This theorem is used by: elfvov1 7466 mapssfset 8880 mapdom2 9174 relexpsucrd 15195 relexpsucld 15196 relexpreld 15202 relexpdmd 15206 relexprnd 15210 relexpfldd 15212 relexpaddd 15216 dfrtrclrec2 15220 relexpindlem 15225 oveqprc 17379 ressinbas 17432 ressress 17434 oduval 18471 oduleval 18472 gsum0 18882 efmndbas 19076 oppgval 19570 oppgplusfval 19571 mgpval 20372 opprval 20577 srasca 21464 rlmsca2 21483 dsmmval 22049 dsmmfi 22053 resspsrbas 22290 mpfrcl 22403 psrbaspropd 22561 mplbaspropd 22563 evl1fval1 22658 qtopres 24026 fgabs 24207 tngds 24976 tcphval 25548 of0r 33324 erlval 33869 fracval 33916 resvsca 33943 mapco2g 43834 mzpmfp 43867 mendbas 44291 naryfvalixp 49849 1aryenef 49865 2aryenef 49876 resccat 50296 |
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