| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > fthi | Structured version Visualization version GIF version | ||
| Description: The morphism map of a faithful functor is an injection. (Contributed by Mario Carneiro, 27-Jan-2017.) |
| Ref | Expression |
|---|---|
| isfth.b | ⊢ 𝐵 = (Base‘𝐶) |
| isfth.h | ⊢ 𝐻 = (Hom ‘𝐶) |
| isfth.j | ⊢ 𝐽 = (Hom ‘𝐷) |
| fthf1.f | ⊢ (𝜑 → 𝐹(𝐶 Faith 𝐷)𝐺) |
| fthf1.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| fthf1.y | ⊢ (𝜑 → 𝑌 ∈ 𝐵) |
| fthi.r | ⊢ (𝜑 → 𝑅 ∈ (𝑋𝐻𝑌)) |
| fthi.s | ⊢ (𝜑 → 𝑆 ∈ (𝑋𝐻𝑌)) |
| Ref | Expression |
|---|---|
| fthi | ⊢ (𝜑 → (((𝑋𝐺𝑌)‘𝑅) = ((𝑋𝐺𝑌)‘𝑆) ↔ 𝑅 = 𝑆)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | isfth.b | . . 3 ⊢ 𝐵 = (Base‘𝐶) | |
| 2 | isfth.h | . . 3 ⊢ 𝐻 = (Hom ‘𝐶) | |
| 3 | isfth.j | . . 3 ⊢ 𝐽 = (Hom ‘𝐷) | |
| 4 | fthf1.f | . . 3 ⊢ (𝜑 → 𝐹(𝐶 Faith 𝐷)𝐺) | |
| 5 | fthf1.x | . . 3 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 6 | fthf1.y | . . 3 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 7 | 1, 2, 3, 4, 5, 6 | fthf1 18003 | . 2 ⊢ (𝜑 → (𝑋𝐺𝑌):(𝑋𝐻𝑌)–1-1→((𝐹‘𝑋)𝐽(𝐹‘𝑌))) |
| 8 | fthi.r | . 2 ⊢ (𝜑 → 𝑅 ∈ (𝑋𝐻𝑌)) | |
| 9 | fthi.s | . 2 ⊢ (𝜑 → 𝑆 ∈ (𝑋𝐻𝑌)) | |
| 10 | f1fveq 7266 | . 2 ⊢ (((𝑋𝐺𝑌):(𝑋𝐻𝑌)–1-1→((𝐹‘𝑋)𝐽(𝐹‘𝑌)) ∧ (𝑅 ∈ (𝑋𝐻𝑌) ∧ 𝑆 ∈ (𝑋𝐻𝑌))) → (((𝑋𝐺𝑌)‘𝑅) = ((𝑋𝐺𝑌)‘𝑆) ↔ 𝑅 = 𝑆)) | |
| 11 | 7, 8, 9, 10 | syl12anc 850 | 1 ⊢ (𝜑 → (((𝑋𝐺𝑌)‘𝑅) = ((𝑋𝐺𝑌)‘𝑆) ↔ 𝑅 = 𝑆)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1570 ∈ wcel 2146 class class class wbr 5111 –1-1→wf1 6538 ‘cfv 6541 (class class class)co 7420 Basecbs 17296 Hom chom 17348 Faith cfth 17989 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7743 |
| 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 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6497 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fv 6549 df-ov 7423 df-oprab 7424 df-mpo 7425 df-1st 7993 df-2nd 7994 df-map 8833 df-ixp 8903 df-func 17942 df-fth 17991 |
| This theorem is used by: fthsect 18011 fthmon 18013 fthcomf 50012 |
| Copyright terms: Public domain | W3C validator |