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| 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 7594 | . 2 ⊢ ((dom 𝐹 = (𝑆 × 𝑆) ∧ ¬ (𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆)) → (𝐴𝐹𝐵) = ∅) | |
| 3 | 1, 2 | mpan 702 | 1 ⊢ (¬ (𝐴 ∈ 𝑆 ∧ 𝐵 ∈ 𝑆) → (𝐴𝐹𝐵) = ∅) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 400 = wceq 1567 ∈ wcel 2149 ∅c0 4294 × cxp 5660 dom cdm 5662 (class class class)co 7411 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pr 5405 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-opab 5178 df-xp 5668 df-dm 5672 df-iota 6493 df-fv 6545 df-ov 7414 |
| This theorem is referenced by: ndmovcl 7596 ndmovrcl 7597 ndmovcom 7598 ndmovass 7599 ndmovdistr 7600 om0x 8504 oaabs2 8635 omabs 8637 eceqoveq 8820 elpmi 8843 elmapex 8845 pmresg 8868 pmsspw 8875 addnidpi 10886 adderpq 10941 mulerpq 10942 elixx3g 13385 ndmioo 13399 elfz2 13542 fz0 13567 elfzoel1 13685 elfzoel2 13686 fzoval 13688 fzofi 14010 restsspw 17484 fucbas 18020 fuchom 18021 xpcbas 18234 xpchomfval 18235 xpccofval 18238 restrcl 23283 ssrest 23302 resstopn 23312 iocpnfordt 23341 icomnfordt 23342 nghmfval 24848 isnghm 24849 topnfbey 30761 cvmtop1 35651 cvmtop2 35652 ndmico 46172 |
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