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| Mirrors > Home > MPE Home > Th. List > dvdsr2 | Structured version Visualization version GIF version | ||
| Description: Value of the divides relation. (Contributed by Mario Carneiro, 1-Dec-2014.) |
| Ref | Expression |
|---|---|
| dvdsr.1 | ⊢ 𝐵 = (Base‘𝑅) |
| dvdsr.2 | ⊢ ∥ = (∥r‘𝑅) |
| dvdsr.3 | ⊢ · = (.r‘𝑅) |
| Ref | Expression |
|---|---|
| dvdsr2 | ⊢ (𝑋 ∈ 𝐵 → (𝑋 ∥ 𝑌 ↔ ∃𝑧 ∈ 𝐵 (𝑧 · 𝑋) = 𝑌)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dvdsr.1 | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 2 | dvdsr.2 | . . 3 ⊢ ∥ = (∥r‘𝑅) | |
| 3 | dvdsr.3 | . . 3 ⊢ · = (.r‘𝑅) | |
| 4 | 1, 2, 3 | dvdsr 20490 | . 2 ⊢ (𝑋 ∥ 𝑌 ↔ (𝑋 ∈ 𝐵 ∧ ∃𝑧 ∈ 𝐵 (𝑧 · 𝑋) = 𝑌)) |
| 5 | 4 | baib 545 | 1 ⊢ (𝑋 ∈ 𝐵 → (𝑋 ∥ 𝑌 ↔ ∃𝑧 ∈ 𝐵 (𝑧 · 𝑋) = 𝑌)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1570 ∈ wcel 2146 ∃wrex 3091 class class class wbr 5111 ‘cfv 6540 (class class class)co 7419 Basecbs 17291 .rcmulr 17333 ∥rcdsr 20482 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 |
| 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-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fv 6548 df-ov 7422 df-dvdsr 20485 |
| This theorem is used by: dvdsr01 20499 dvdsr02 20500 unitgrp 20511 rhmdvdsr 20655 isdrng4 20889 rspsn 21551 znunit 21763 dvdsq1p 26371 rprmasso2 33880 |
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