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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 7455 | . 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 3453 ∅c0 4282 dom cdm 5659 Rel wrel 5664 (class class class)co 7417 |
| 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 2734 ax-sep 5255 ax-nul 5267 ax-pr 5402 |
| 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 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-ne 2958 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-opab 5172 df-xp 5665 df-rel 5666 df-dm 5669 df-iota 6493 df-fv 6545 df-ov 7420 |
| This theorem is used by: elfvov1 7459 mapssfset 8856 mapdom2 9150 relexpsucrd 15110 relexpsucld 15111 relexpreld 15117 relexpdmd 15121 relexprnd 15125 relexpfldd 15127 relexpaddd 15131 dfrtrclrec2 15135 relexpindlem 15140 oveqprc 17290 ressinbas 17343 ressress 17345 oduval 18382 oduleval 18383 gsum0 18792 efmndbas 18986 oppgval 19480 oppgplusfval 19481 mgpval 20282 opprval 20485 srasca 21370 rlmsca2 21389 dsmmval 21953 dsmmfi 21957 resspsrbas 22194 mpfrcl 22307 psrbaspropd 22465 mplbaspropd 22467 evl1fval1 22562 qtopres 23930 fgabs 24111 tngds 24880 tcphval 25452 of0r 33160 erlval 33706 fracval 33753 resvsca 33780 mapco2g 43567 mzpmfp 43600 mendbas 44029 naryfvalixp 49567 1aryenef 49583 2aryenef 49594 resccat 50008 |
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