| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 2769 | . . . 4 ⊢ (Homa‘𝐶) = (Homa‘𝐶) | |
| 3 | 1, 2 | arwhoma 18102 | . . 3 ⊢ (𝐹 ∈ 𝐴 → 𝐹 ∈ ((doma‘𝐹)(Homa‘𝐶)(coda‘𝐹))) |
| 4 | arwdm.b | . . . 4 ⊢ 𝐵 = (Base‘𝐶) | |
| 5 | 2, 4 | homarcl2 18092 | . . 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 1567 ∈ wcel 2149 ‘cfv 6537 (class class class)co 7411 Basecbs 17269 domacdoma 18077 codaccoda 18078 Arrowcarw 18079 Homachoma 18080 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5242 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-ov 7414 df-1st 7986 df-2nd 7987 df-doma 18081 df-coda 18082 df-homa 18083 df-arw 18084 |
| This theorem is referenced by: cdaf 18107 termcarweu 50225 |
| Copyright terms: Public domain | W3C validator |