| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > ndmov | Structured version Visualization version GIF version | ||
| Description: The value of an operation outside its domain. (Contributed by NM, 24-Aug-1995.) |
| Ref | Expression |
|---|---|
| ndmov.1 | ⊢ dom 𝐹 = (𝑆 × 𝑆) |
| Ref | Expression |
|---|---|
| ndmov | ⊢ (¬ (𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) → (𝐴𝐹𝐵) = ∅) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ndmov.1 | . 2 ⊢ dom 𝐹 = (𝑆 × 𝑆) | |
| 2 | ndmovg 7551 | . 2 ⊢ ((dom 𝐹 = (𝑆 × 𝑆) ∧ ¬ (𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆)) → (𝐴𝐹𝐵) = ∅) | |
| 3 | 1, 2 | mpan 691 | 1 ⊢ (¬ (𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) → (𝐴𝐹𝐵) = ∅) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∅c0 4287 × cxp 5630 dom cdm 5632 (class class class)co 7368 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pr 5379 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-xp 5638 df-dm 5642 df-iota 6456 df-fv 6508 df-ov 7371 |
| This theorem is referenced by: ndmovcl 7553 ndmovrcl 7554 ndmovcom 7555 ndmovass 7556 ndmovdistr 7557 om0x 8456 oaabs2 8587 omabs 8589 eceqoveq 8771 elpmi 8795 elmapex 8797 pmresg 8820 pmsspw 8827 addnidpi 10824 adderpq 10879 mulerpq 10880 elixx3g 13286 ndmioo 13300 elfz2 13442 fz0 13467 elfzoel1 13585 elfzoel2 13586 fzoval 13588 fzofi 13909 restsspw 17363 fucbas 17899 fuchom 17900 xpcbas 18113 xpchomfval 18114 xpccofval 18117 restrcl 23113 ssrest 23132 resstopn 23142 iocpnfordt 23171 icomnfordt 23172 nghmfval 24678 isnghm 24679 topnfbey 30556 cvmtop1 35476 cvmtop2 35477 ndmico 45924 |
| Copyright terms: Public domain | W3C validator |