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| Mirrors > Home > ILE Home > Th. List > f1cocnv2 | 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 5548 | . 2 ⊢ (𝐹:𝐴–1-1→𝐵 → Fun 𝐹) | |
| 2 | funcocnv2 5611 | . 2 ⊢ (Fun 𝐹 → (𝐹 ∘ ◡𝐹) = ( I ↾ ran 𝐹)) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝐹:𝐴–1-1→𝐵 → (𝐹 ∘ ◡𝐹) = ( I ↾ ran 𝐹)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1397 I cid 4387 ◡ccnv 4726 ran crn 4728 ↾ cres 4729 ∘ ccom 4731 Fun wfun 5322 –1-1→wf1 5325 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-14 2204 ax-ext 2212 ax-sep 4208 ax-pow 4266 ax-pr 4301 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ral 2514 df-rex 2515 df-v 2803 df-un 3203 df-in 3205 df-ss 3212 df-pw 3655 df-sn 3676 df-pr 3677 df-op 3679 df-br 4090 df-opab 4152 df-id 4392 df-xp 4733 df-rel 4734 df-cnv 4735 df-co 4736 df-dm 4737 df-rn 4738 df-res 4739 df-fun 5330 df-fn 5331 df-f 5332 df-f1 5333 |
| This theorem is referenced by: (None) |
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