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| Mirrors > Home > MPE Home > Th. List > arwcd | Structured version Visualization version GIF version | ||
| Description: The codomain of an arrow is an object. (Contributed by Mario Carneiro, 11-Jan-2017.) |
| Ref | Expression |
|---|---|
| arwrcl.a | ⊢ 𝐴 = (Arrow‘𝐶) |
| arwdm.b | ⊢ 𝐵 = (Base‘𝐶) |
| Ref | Expression |
|---|---|
| arwcd | ⊢ (𝐹 ∈ 𝐴 → (coda‘𝐹) ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | arwrcl.a | . . . 4 ⊢ 𝐴 = (Arrow‘𝐶) | |
| 2 | eqid 2763 | . . . 4 ⊢ (Homa‘𝐶) = (Homa‘𝐶) | |
| 3 | 1, 2 | arwhoma 18097 | . . 3 ⊢ (𝐹 ∈ 𝐴 → 𝐹 ∈ ((doma‘𝐹)(Homa‘𝐶)(coda‘𝐹))) |
| 4 | arwdm.b | . . . 4 ⊢ 𝐵 = (Base‘𝐶) | |
| 5 | 2, 4 | homarcl2 18087 | . . 3 ⊢ (𝐹 ∈ ((doma‘𝐹)(Homa‘𝐶)(coda‘𝐹)) → ((doma‘𝐹) ∈ 𝐵 ∧ (coda‘𝐹) ∈ 𝐵)) |
| 6 | 3, 5 | syl 18 | . 2 ⊢ (𝐹 ∈ 𝐴 → ((doma‘𝐹) ∈ 𝐵 ∧ (coda‘𝐹) ∈ 𝐵)) |
| 7 | 6 | simprd 500 | 1 ⊢ (𝐹 ∈ 𝐴 → (coda‘𝐹) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1570 ∈ wcel 2143 ‘cfv 6536 (class class class)co 7410 Basecbs 17264 domacdoma 18072 codaccoda 18073 Arrowcarw 18074 Homachoma 18075 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5238 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-ov 7413 df-1st 7982 df-2nd 7983 df-doma 18076 df-coda 18077 df-homa 18078 df-arw 18079 |
| This theorem is referenced by: cdaf 18102 termcarweu 50326 |
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