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| Mirrors > Home > MPE Home > Th. List > reldvdsr | Structured version Visualization version GIF version | ||
| Description: The divides relation is a relation. (Contributed by Mario Carneiro, 1-Dec-2014.) |
| Ref | Expression |
|---|---|
| reldvdsr.1 | ⊢ ∥ = (∥r‘𝑅) |
| Ref | Expression |
|---|---|
| reldvdsr | ⊢ Rel ∥ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-dvdsr 20596 | . . 3 ⊢ ∥r = (𝑤 ∈ V ↦ {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ (Base‘𝑤) ∧ ∃𝑧 ∈ (Base‘𝑤)(𝑧(.r‘𝑤)𝑥) = 𝑦)}) | |
| 2 | 1 | relmptopab 7675 | . 2 ⊢ Rel (∥r‘𝑅) |
| 3 | reldvdsr.1 | . . 3 ⊢ ∥ = (∥r‘𝑅) | |
| 4 | 3 | releqi 5755 | . 2 ⊢ (Rel ∥ ↔ Rel (∥r‘𝑅)) |
| 5 | 2, 4 | mpbir 234 | 1 ⊢ Rel ∥ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∧ wa 401 = wceq 1569 ∈ wcel 2144 ∃wrex 3086 Vcvv 3450 Rel wrel 5656 ‘cfv 6543 (class class class)co 7424 Basecbs 17396 .rcmulr 17438 ∥rcdsr 20593 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pr 5391 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6497 df-fun 6545 df-fv 6551 df-dvdsr 20596 |
| This theorem is used by: dvdsr 20601 isunit 20612 subrgdvds 20847 ellpi 33978 |
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