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| Mirrors > Home > ILE Home > Th. List > reldvdsr | 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 14395 | . . 3 ⊢ ∥r = (𝑤 ∈ V ↦ {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ (Base‘𝑤) ∧ ∃𝑧 ∈ (Base‘𝑤)(𝑧(.r‘𝑤)𝑥) = 𝑦)}) | |
| 2 | 1 | relmptopab 6291 | . 2 ⊢ Rel (∥r‘𝑅) |
| 3 | reldvdsr.1 | . . 3 ⊢ ∥ = (∥r‘𝑅) | |
| 4 | 3 | releqi 4858 | . 2 ⊢ (Rel ∥ ↔ Rel (∥r‘𝑅)) |
| 5 | 2, 4 | mpbir 146 | 1 ⊢ Rel ∥ |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: ∧ wa 104 = wceq 1402 ∈ wcel 2209 ∃wrex 2529 Vcvv 2821 Rel wrel 4779 ‘cfv 5377 (class class class)co 6085 Basecbs 13352 .rcmulr 13432 ∥rcdsr 14392 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-mpt 4194 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fv 5385 df-dvdsr 14395 |
| This theorem is used by: reldvdsrsrg 14399 |
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