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| Mirrors > Home > MPE Home > Th. List > Mathboxes > swapfffth | Structured version Visualization version GIF version | ||
| Description: The swap functor is a fully faithful functor. (Contributed by Zhi Wang, 8-Oct-2025.) |
| Ref | Expression |
|---|---|
| swapfid.c | ⊢ (𝜑 → 𝐶 ∈ Cat) |
| swapfid.d | ⊢ (𝜑 → 𝐷 ∈ Cat) |
| swapfid.s | ⊢ 𝑆 = (𝐶 ×c 𝐷) |
| swapfid.t | ⊢ 𝑇 = (𝐷 ×c 𝐶) |
| swapfid.o | ⊢ (𝜑 → (𝐶 swapF 𝐷) = 〈𝑂, 𝑃〉) |
| Ref | Expression |
|---|---|
| swapfffth | ⊢ (𝜑 → 𝑂((𝑆 Full 𝑇) ∩ (𝑆 Faith 𝑇))𝑃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | swapfid.c | . . 3 ⊢ (𝜑 → 𝐶 ∈ Cat) | |
| 2 | swapfid.d | . . 3 ⊢ (𝜑 → 𝐷 ∈ Cat) | |
| 3 | swapfid.s | . . 3 ⊢ 𝑆 = (𝐶 ×c 𝐷) | |
| 4 | swapfid.t | . . 3 ⊢ 𝑇 = (𝐷 ×c 𝐶) | |
| 5 | swapfid.o | . . 3 ⊢ (𝜑 → (𝐶 swapF 𝐷) = 〈𝑂, 𝑃〉) | |
| 6 | 1, 2, 3, 4, 5 | swapffunc 50735 | . 2 ⊢ (𝜑 → 𝑂(𝑆 Func 𝑇)𝑃) |
| 7 | 5 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (Base‘𝑆))) → (𝐶 swapF 𝐷) = 〈𝑂, 𝑃〉) |
| 8 | eqid 2763 | . . . 4 ⊢ (Hom ‘𝑆) = (Hom ‘𝑆) | |
| 9 | eqid 2763 | . . . 4 ⊢ (Hom ‘𝑇) = (Hom ‘𝑇) | |
| 10 | eqid 2763 | . . . 4 ⊢ (Base‘𝑆) = (Base‘𝑆) | |
| 11 | simprl 783 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (Base‘𝑆))) → 𝑥 ∈ (Base‘𝑆)) | |
| 12 | simprr 785 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (Base‘𝑆))) → 𝑦 ∈ (Base‘𝑆)) | |
| 13 | 7, 3, 4, 8, 9, 10, 11, 12 | swapf2f1oa 50730 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (Base‘𝑆))) → (𝑥𝑃𝑦):(𝑥(Hom ‘𝑆)𝑦)⟶1-1onto((𝑂‘𝑥)(Hom ‘𝑇)(𝑂‘𝑦))) |
| 14 | 13 | ralrimivva 3209 | . 2 ⊢ (𝜑 → ∀𝑥 ∈ (Base‘𝑆)∀𝑦 ∈ (Base‘𝑆)(𝑥𝑃𝑦):(𝑥(Hom ‘𝑆)𝑦)⟶1-1onto((𝑂‘𝑥)(Hom ‘𝑇)(𝑂‘𝑦))) |
| 15 | 10, 8, 9 | isffth2 18143 | . 2 ⊢ (𝑂((𝑆 Full 𝑇) ∩ (𝑆 Faith 𝑇))𝑃 ↔ (𝑂(𝑆 Func 𝑇)𝑃 ∧ ∀𝑥 ∈ (Base‘𝑆)∀𝑦 ∈ (Base‘𝑆)(𝑥𝑃𝑦):(𝑥(Hom ‘𝑆)𝑦)⟶1-1onto((𝑂‘𝑥)(Hom ‘𝑇)(𝑂‘𝑦)))) |
| 16 | 6, 14, 15 | sylanbrc 595 | 1 ⊢ (𝜑 → 𝑂((𝑆 Full 𝑇) ∩ (𝑆 Faith 𝑇))𝑃) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2147 ∀wral 3080 ∩ cin 4092 〈cop 4840 class class class wbr 5108 ⟶1-1ontowf1o 6565 ‘cfv 6566 (class class class)co 7451 Basecbs 17431 Hom chom 17483 Catccat 17888 Func cfunc 18079 Full cful 18129 Faith cfth 18130 ×c cxpc 18392 swapF cswapf 50712 |
| 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 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 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-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 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-tp 4593 df-op 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-we 5613 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-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 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-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-om 7912 df-1st 8035 df-2nd 8036 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-1o 8514 df-er 8755 df-map 8887 df-ixp 8964 df-en 9012 df-dom 9013 df-sdom 9014 df-fin 9015 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-nn 12376 df-2 12445 df-3 12446 df-4 12447 df-5 12448 df-6 12449 df-7 12450 df-8 12451 df-9 12452 df-n0 12647 df-z 12734 df-dec 12855 df-uz 13006 df-fz 13680 df-struct 17369 df-slot 17404 df-ndx 17416 df-base 17432 df-hom 17497 df-cco 17498 df-cat 17892 df-cid 17893 df-func 18083 df-full 18131 df-fth 18132 df-xpc 18396 df-swapf 50713 |
| This theorem is used by: swapfiso 50738 |
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