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| Mirrors > Home > MPE Home > Th. List > Mathboxes > petincnvepres | Structured version Visualization version GIF version | ||
| Description: The shortest form of a partition-equivalence theorem with intersection and general 𝑅. Cf. br1cossincnvepres 39044. Cf. pet 39469. (Contributed by Peter Mazsa, 23-Sep-2021.) |
| Ref | Expression |
|---|---|
| petincnvepres | ⊢ ((𝑅 ∩ (◡ E ↾ 𝐴)) Part 𝐴 ↔ ≀ (𝑅 ∩ (◡ E ↾ 𝐴)) ErALTV 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | petincnvepres2 39466 | . 2 ⊢ (( Disj (𝑅 ∩ (◡ E ↾ 𝐴)) ∧ (dom (𝑅 ∩ (◡ E ↾ 𝐴)) / (𝑅 ∩ (◡ E ↾ 𝐴))) = 𝐴) ↔ ( EqvRel ≀ (𝑅 ∩ (◡ E ↾ 𝐴)) ∧ (dom ≀ (𝑅 ∩ (◡ E ↾ 𝐴)) / ≀ (𝑅 ∩ (◡ E ↾ 𝐴))) = 𝐴)) | |
| 2 | dfpart2 39376 | . 2 ⊢ ((𝑅 ∩ (◡ E ↾ 𝐴)) Part 𝐴 ↔ ( Disj (𝑅 ∩ (◡ E ↾ 𝐴)) ∧ (dom (𝑅 ∩ (◡ E ↾ 𝐴)) / (𝑅 ∩ (◡ E ↾ 𝐴))) = 𝐴)) | |
| 3 | dferALTV2 39257 | . 2 ⊢ ( ≀ (𝑅 ∩ (◡ E ↾ 𝐴)) ErALTV 𝐴 ↔ ( EqvRel ≀ (𝑅 ∩ (◡ E ↾ 𝐴)) ∧ (dom ≀ (𝑅 ∩ (◡ E ↾ 𝐴)) / ≀ (𝑅 ∩ (◡ E ↾ 𝐴))) = 𝐴)) | |
| 4 | 1, 2, 3 | 3bitr4i 305 | 1 ⊢ ((𝑅 ∩ (◡ E ↾ 𝐴)) Part 𝐴 ↔ ≀ (𝑅 ∩ (◡ E ↾ 𝐴)) ErALTV 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 208 ∧ wa 399 = wceq 1562 ∩ cin 3905 E cep 5548 ◡ccnv 5648 dom cdm 5649 ↾ cres 5651 / cqs 8679 ≀ ccoss 38687 EqvRel weqvrel 38704 ErALTV werALTV 38713 Disj wdisjALTV 38723 Part wpart 38728 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2214 ax-ext 2736 ax-sep 5248 ax-pr 5392 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1101 df-tru 1565 df-fal 1575 df-ex 1802 df-nf 1806 df-sb 2093 df-mo 2568 df-eu 2598 df-clab 2743 df-cleq 2756 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3079 df-rex 3089 df-rmo 3369 df-rab 3417 df-v 3458 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-br 5103 df-opab 5165 df-id 5544 df-eprel 5549 df-xp 5655 df-rel 5656 df-cnv 5657 df-co 5658 df-dm 5659 df-rn 5660 df-res 5661 df-ima 5662 df-ec 8682 df-qs 8686 df-coss 39005 df-refrel 39096 df-cnvrefrel 39111 df-symrel 39128 df-trrel 39162 df-eqvrel 39173 df-dmqs 39227 df-erALTV 39253 df-funALTV 39271 df-disjALTV 39294 df-eldisj 39296 df-part 39373 |
| This theorem is referenced by: (None) |
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