| 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 5676 | . . 3 ⊢ ran 𝑅 = dom ◡𝑅 | |
| 2 | 1 | reseq2i 5979 | . 2 ⊢ (◡𝑅 ↾ ran 𝑅) = (◡𝑅 ↾ dom ◡𝑅) |
| 3 | relcnv 6110 | . . 3 ⊢ Rel ◡𝑅 | |
| 4 | dfrel5 38945 | . . 3 ⊢ (Rel ◡𝑅 ↔ (◡𝑅 ↾ dom ◡𝑅) = ◡𝑅) | |
| 5 | 3, 4 | mpbi 233 | . 2 ⊢ (◡𝑅 ↾ dom ◡𝑅) = ◡𝑅 |
| 6 | 2, 5 | eqtri 2793 | 1 ⊢ (◡𝑅 ↾ ran 𝑅) = ◡𝑅 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1568 ◡ccnv 5664 dom cdm 5665 ran crn 5666 ↾ cres 5667 Rel wrel 5670 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2152 ax-9 2160 ax-ext 2742 ax-sep 5262 ax-pr 5408 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-sb 2099 df-clab 2749 df-cleq 2762 df-clel 2845 df-ral 3087 df-rex 3097 df-rab 3424 df-v 3464 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-br 5115 df-opab 5179 df-xp 5671 df-rel 5672 df-cnv 5673 df-dm 5675 df-rn 5676 df-res 5677 |
| This theorem is referenced by: alrmomorn 38957 |
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