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| Mirrors > Home > MPE Home > Th. List > monhom | Structured version Visualization version GIF version | ||
| Description: A monomorphism is a morphism. (Contributed by Mario Carneiro, 2-Jan-2017.) |
| Ref | Expression |
|---|---|
| ismon.b | ⊢ 𝐵 = (Base‘𝐶) |
| ismon.h | ⊢ 𝐻 = (Hom ‘𝐶) |
| ismon.o | ⊢ · = (comp‘𝐶) |
| ismon.s | ⊢ 𝑀 = (Mono‘𝐶) |
| ismon.c | ⊢ (𝜑 → 𝐶 ∈ Cat) |
| ismon.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| ismon.y | ⊢ (𝜑 → 𝑌 ∈ 𝐵) |
| Ref | Expression |
|---|---|
| monhom | ⊢ (𝜑 → (𝑋𝑀𝑌) ⊆ (𝑋𝐻𝑌)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ismon.b | . . . 4 ⊢ 𝐵 = (Base‘𝐶) | |
| 2 | ismon.h | . . . 4 ⊢ 𝐻 = (Hom ‘𝐶) | |
| 3 | ismon.o | . . . 4 ⊢ · = (comp‘𝐶) | |
| 4 | ismon.s | . . . 4 ⊢ 𝑀 = (Mono‘𝐶) | |
| 5 | ismon.c | . . . 4 ⊢ (𝜑 → 𝐶 ∈ Cat) | |
| 6 | ismon.x | . . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 7 | ismon.y | . . . 4 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 8 | 1, 2, 3, 4, 5, 6, 7 | ismon 17958 | . . 3 ⊢ (𝜑 → (𝑓 ∈ (𝑋𝑀𝑌) ↔ (𝑓 ∈ (𝑋𝐻𝑌) ∧ ∀𝑧 ∈ 𝐵 Fun ◡(𝑔 ∈ (𝑧𝐻𝑋) ↦ (𝑓(〈𝑧, 𝑋〉 · 𝑌)𝑔))))) |
| 9 | simpl 488 | . . 3 ⊢ ((𝑓 ∈ (𝑋𝐻𝑌) ∧ ∀𝑧 ∈ 𝐵 Fun ◡(𝑔 ∈ (𝑧𝐻𝑋) ↦ (𝑓(〈𝑧, 𝑋〉 · 𝑌)𝑔))) → 𝑓 ∈ (𝑋𝐻𝑌)) | |
| 10 | 8, 9 | biimtrdi 256 | . 2 ⊢ (𝜑 → (𝑓 ∈ (𝑋𝑀𝑌) → 𝑓 ∈ (𝑋𝐻𝑌))) |
| 11 | 10 | ssrdv 3919 | 1 ⊢ (𝜑 → (𝑋𝑀𝑌) ⊆ (𝑋𝐻𝑌)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2147 ∀wral 3080 ⊆ wss 3900 〈cop 4840 ↦ cmpt 5192 ◡ccnv 5657 Fun wfun 6560 ‘cfv 6566 (class class class)co 7451 Basecbs 17431 Hom chom 17483 compcco 17484 Catccat 17888 Monocmon 17953 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-ov 7454 df-oprab 7455 df-mpo 7456 df-1st 8035 df-2nd 8036 df-mon 17955 |
| This theorem is used by: setcmon 18312 |
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