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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 5591 | . . 3 ⊢ ran 𝑅 = dom ◡𝑅 | |
2 | 1 | reseq2i 5877 | . 2 ⊢ (◡𝑅 ↾ ran 𝑅) = (◡𝑅 ↾ dom ◡𝑅) |
3 | relcnv 6001 | . . 3 ⊢ Rel ◡𝑅 | |
4 | dfrel5 36408 | . . 3 ⊢ (Rel ◡𝑅 ↔ (◡𝑅 ↾ dom ◡𝑅) = ◡𝑅) | |
5 | 3, 4 | mpbi 229 | . 2 ⊢ (◡𝑅 ↾ dom ◡𝑅) = ◡𝑅 |
6 | 2, 5 | eqtri 2766 | 1 ⊢ (◡𝑅 ↾ ran 𝑅) = ◡𝑅 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1539 ◡ccnv 5579 dom cdm 5580 ran crn 5581 ↾ cres 5582 Rel wrel 5585 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pr 5347 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-clab 2716 df-cleq 2730 df-clel 2817 df-ral 3068 df-rex 3069 df-rab 3072 df-v 3424 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4254 df-if 4457 df-sn 4559 df-pr 4561 df-op 4565 df-br 5071 df-opab 5133 df-xp 5586 df-rel 5587 df-cnv 5588 df-dm 5590 df-rn 5591 df-res 5592 |
This theorem is referenced by: alrmomorn 36417 |
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