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| Mirrors > Home > MPE Home > Th. List > homarel | Structured version Visualization version GIF version | ||
| Description: An arrow is an ordered pair. (Contributed by Mario Carneiro, 11-Jan-2017.) |
| Ref | Expression |
|---|---|
| homahom.h | ⊢ 𝐻 = (Homa‘𝐶) |
| Ref | Expression |
|---|---|
| homarel | ⊢ Rel (𝑋𝐻𝑌) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xpss 5666 | . . . 4 ⊢ (((Base‘𝐶) × (Base‘𝐶)) × V) ⊆ (V × V) | |
| 2 | homahom.h | . . . . . . 7 ⊢ 𝐻 = (Homa‘𝐶) | |
| 3 | eqid 2760 | . . . . . . 7 ⊢ (Base‘𝐶) = (Base‘𝐶) | |
| 4 | 2 | homarcl 18208 | . . . . . . 7 ⊢ (𝑓 ∈ (𝑋𝐻𝑌) → 𝐶 ∈ Cat) |
| 5 | 2, 3, 4 | homaf 18210 | . . . . . 6 ⊢ (𝑓 ∈ (𝑋𝐻𝑌) → 𝐻:((Base‘𝐶) × (Base‘𝐶))⟶𝒫 (((Base‘𝐶) × (Base‘𝐶)) × V)) |
| 6 | 2, 3 | homarcl2 18215 | . . . . . . 7 ⊢ (𝑓 ∈ (𝑋𝐻𝑌) → (𝑋 ∈ (Base‘𝐶) ∧ 𝑌 ∈ (Base‘𝐶))) |
| 7 | 6 | simpld 500 | . . . . . 6 ⊢ (𝑓 ∈ (𝑋𝐻𝑌) → 𝑋 ∈ (Base‘𝐶)) |
| 8 | 6 | simprd 501 | . . . . . 6 ⊢ (𝑓 ∈ (𝑋𝐻𝑌) → 𝑌 ∈ (Base‘𝐶)) |
| 9 | 5, 7, 8 | fovcdmd 7593 | . . . . 5 ⊢ (𝑓 ∈ (𝑋𝐻𝑌) → (𝑋𝐻𝑌) ∈ 𝒫 (((Base‘𝐶) × (Base‘𝐶)) × V)) |
| 10 | elelpwi 4566 | . . . . 5 ⊢ ((𝑓 ∈ (𝑋𝐻𝑌) ∧ (𝑋𝐻𝑌) ∈ 𝒫 (((Base‘𝐶) × (Base‘𝐶)) × V)) → 𝑓 ∈ (((Base‘𝐶) × (Base‘𝐶)) × V)) | |
| 11 | 9, 10 | mpdan 700 | . . . 4 ⊢ (𝑓 ∈ (𝑋𝐻𝑌) → 𝑓 ∈ (((Base‘𝐶) × (Base‘𝐶)) × V)) |
| 12 | 1, 11 | sselid 3906 | . . 3 ⊢ (𝑓 ∈ (𝑋𝐻𝑌) → 𝑓 ∈ (V × V)) |
| 13 | 12 | ssriv 3912 | . 2 ⊢ (𝑋𝐻𝑌) ⊆ (V × V) |
| 14 | df-rel 5657 | . 2 ⊢ (Rel (𝑋𝐻𝑌) ↔ (𝑋𝐻𝑌) ⊆ (V × V)) | |
| 15 | 13, 14 | mpbir 234 | 1 ⊢ Rel (𝑋𝐻𝑌) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 ∈ wcel 2144 Vcvv 3450 ⊆ wss 3895 𝒫 cpw 4556 × cxp 5648 Rel wrel 5655 ‘cfv 6538 (class class class)co 7420 Basecbs 17392 Homachoma 18203 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-ov 7423 df-homa 18206 |
| This theorem is used by: homahom 18219 homadm 18220 homacd 18221 homadmcd 18222 |
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