| Mathbox for Peter Mazsa |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > cnvresrn | Structured version Visualization version GIF version | ||
| Description: Converse restricted to range is converse. (Contributed by Peter Mazsa, 3-Sep-2021.) |
| Ref | Expression |
|---|---|
| cnvresrn | ⊢ (◡𝑅 ↾ ran 𝑅) = ◡𝑅 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-rn 5634 | . . 3 ⊢ ran 𝑅 = dom ◡𝑅 | |
| 2 | 1 | reseq2i 5934 | . 2 ⊢ (◡𝑅 ↾ ran 𝑅) = (◡𝑅 ↾ dom ◡𝑅) |
| 3 | relcnv 6062 | . . 3 ⊢ Rel ◡𝑅 | |
| 4 | dfrel5 38516 | . . 3 ⊢ (Rel ◡𝑅 ↔ (◡𝑅 ↾ dom ◡𝑅) = ◡𝑅) | |
| 5 | 3, 4 | mpbi 230 | . 2 ⊢ (◡𝑅 ↾ dom ◡𝑅) = ◡𝑅 |
| 6 | 2, 5 | eqtri 2758 | 1 ⊢ (◡𝑅 ↾ ran 𝑅) = ◡𝑅 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ◡ccnv 5622 dom cdm 5623 ran crn 5624 ↾ cres 5625 Rel wrel 5628 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2707 ax-sep 5240 ax-nul 5250 ax-pr 5376 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2714 df-cleq 2727 df-clel 2810 df-ral 3051 df-rex 3060 df-rab 3399 df-v 3441 df-dif 3903 df-un 3905 df-in 3907 df-ss 3917 df-nul 4285 df-if 4479 df-sn 4580 df-pr 4582 df-op 4586 df-br 5098 df-opab 5160 df-xp 5629 df-rel 5630 df-cnv 5631 df-dm 5633 df-rn 5634 df-res 5635 |
| This theorem is referenced by: alrmomorn 38528 |
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