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Mirrors > Home > MPE Home > Th. List > ovprc2 | Structured version Visualization version GIF version |
Description: The value of an operation when the second argument is a proper class. (Contributed by Mario Carneiro, 26-Apr-2015.) |
Ref | Expression |
---|---|
ovprc1.1 | ⊢ Rel dom 𝐹 |
Ref | Expression |
---|---|
ovprc2 | ⊢ (¬ 𝐵 ∈ V → (𝐴𝐹𝐵) = ∅) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 485 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐵 ∈ V) → 𝐵 ∈ V) | |
2 | ovprc1.1 | . . 3 ⊢ Rel dom 𝐹 | |
3 | 2 | ovprc 7309 | . 2 ⊢ (¬ (𝐴 ∈ V ∧ 𝐵 ∈ V) → (𝐴𝐹𝐵) = ∅) |
4 | 1, 3 | nsyl5 159 | 1 ⊢ (¬ 𝐵 ∈ V → (𝐴𝐹𝐵) = ∅) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 396 = wceq 1542 ∈ wcel 2110 Vcvv 3431 ∅c0 4262 dom cdm 5590 Rel wrel 5595 (class class class)co 7271 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1975 ax-7 2015 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2711 ax-sep 5227 ax-nul 5234 ax-pr 5356 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2072 df-mo 2542 df-eu 2571 df-clab 2718 df-cleq 2732 df-clel 2818 df-ral 3071 df-rex 3072 df-rab 3075 df-v 3433 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-nul 4263 df-if 4466 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4846 df-br 5080 df-opab 5142 df-xp 5596 df-rel 5597 df-dm 5600 df-iota 6390 df-fv 6440 df-ov 7274 |
This theorem is referenced by: ressbasss 16948 ress0 16951 wunress 16958 wunressOLD 16959 0rest 17138 firest 17141 subcmn 19436 dprdval0prc 19603 zrhval 20707 dsmmval2 20941 psrbas 21145 psr1val 21355 vr1val 21361 ply1ascl 21427 evl1fval 21492 restbas 22307 resstopn 22335 deg1fval 25243 wwlksn 28198 submomnd 31332 suborng 31510 bj-restsnid 35254 1aryenef 45960 2aryenef 45971 |
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