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| Mirrors > Home > MPE Home > Th. List > f1cocnv2 | Structured version Visualization version GIF version | ||
| Description: Composition of an injective function with its converse. (Contributed by FL, 11-Nov-2011.) |
| Ref | Expression |
|---|---|
| f1cocnv2 | ⊢ (𝐹:𝐴–1-1→𝐵 → (𝐹 ∘ ◡𝐹) = ( I ↾ ran 𝐹)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | f1fun 6732 | . 2 ⊢ (𝐹:𝐴–1-1→𝐵 → Fun 𝐹) | |
| 2 | funcocnv2 6799 | . 2 ⊢ (Fun 𝐹 → (𝐹 ∘ ◡𝐹) = ( I ↾ ran 𝐹)) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ (𝐹:𝐴–1-1→𝐵 → (𝐹 ∘ ◡𝐹) = ( I ↾ ran 𝐹)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 I cid 5518 ◡ccnv 5623 ran crn 5625 ↾ cres 5626 ∘ ccom 5628 Fun wfun 6486 –1-1→wf1 6489 |
| 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 2709 ax-sep 5231 ax-pr 5370 |
| 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 2716 df-cleq 2729 df-clel 2812 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-br 5087 df-opab 5149 df-id 5519 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 |
| This theorem is referenced by: (None) |
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