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| Mirrors > Home > MPE Home > Th. List > Mathboxes > uobeqterm | Structured version Visualization version GIF version | ||
| Description: Universal objects and terminal categories. (Contributed by Zhi Wang, 17-Nov-2025.) |
| Ref | Expression |
|---|---|
| uobeqterm.a | ⊢ 𝐴 = (Base‘𝐷) |
| uobeqterm.b | ⊢ 𝐵 = (Base‘𝐸) |
| uobeqterm.x | ⊢ (𝜑 → 𝑋 ∈ 𝐴) |
| uobeqterm.y | ⊢ (𝜑 → 𝑌 ∈ 𝐵) |
| uobeqterm.f | ⊢ (𝜑 → 𝐹 ∈ (𝐶 Func 𝐷)) |
| uobeqterm.g | ⊢ (𝜑 → 𝐺 ∈ (𝐶 Func 𝐸)) |
| uobeqterm.d | ⊢ (𝜑 → 𝐷 ∈ TermCat) |
| uobeqterm.e | ⊢ (𝜑 → 𝐸 ∈ TermCat) |
| Ref | Expression |
|---|---|
| uobeqterm | ⊢ (𝜑 → dom (𝐹(𝐶 UP 𝐷)𝑋) = dom (𝐺(𝐶 UP 𝐸)𝑌)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | uobeqterm.e | . . . 4 ⊢ (𝜑 → 𝐸 ∈ TermCat) | |
| 2 | eqid 2766 | . . . . 5 ⊢ (CatCat‘{𝐷, 𝐸}) = (CatCat‘{𝐷, 𝐸}) | |
| 3 | eqid 2766 | . . . . 5 ⊢ (Base‘(CatCat‘{𝐷, 𝐸})) = (Base‘(CatCat‘{𝐷, 𝐸})) | |
| 4 | uobeqterm.d | . . . . . . . 8 ⊢ (𝜑 → 𝐷 ∈ TermCat) | |
| 5 | prid1g 4731 | . . . . . . . 8 ⊢ (𝐷 ∈ TermCat → 𝐷 ∈ {𝐷, 𝐸}) | |
| 6 | 4, 5 | syl 18 | . . . . . . 7 ⊢ (𝜑 → 𝐷 ∈ {𝐷, 𝐸}) |
| 7 | 4 | termccd 50298 | . . . . . . 7 ⊢ (𝜑 → 𝐷 ∈ Cat) |
| 8 | 6, 7 | elind 4156 | . . . . . 6 ⊢ (𝜑 → 𝐷 ∈ ({𝐷, 𝐸} ∩ Cat)) |
| 9 | prex 5414 | . . . . . . . 8 ⊢ {𝐷, 𝐸} ∈ V | |
| 10 | 9 | a1i 11 | . . . . . . 7 ⊢ (𝜑 → {𝐷, 𝐸} ∈ V) |
| 11 | 2, 3, 10 | catcbas 18183 | . . . . . 6 ⊢ (𝜑 → (Base‘(CatCat‘{𝐷, 𝐸})) = ({𝐷, 𝐸} ∩ Cat)) |
| 12 | 8, 11 | eleqtrrd 2869 | . . . . 5 ⊢ (𝜑 → 𝐷 ∈ (Base‘(CatCat‘{𝐷, 𝐸}))) |
| 13 | prid2g 4732 | . . . . . . . 8 ⊢ (𝐸 ∈ TermCat → 𝐸 ∈ {𝐷, 𝐸}) | |
| 14 | 1, 13 | syl 18 | . . . . . . 7 ⊢ (𝜑 → 𝐸 ∈ {𝐷, 𝐸}) |
| 15 | 1 | termccd 50298 | . . . . . . 7 ⊢ (𝜑 → 𝐸 ∈ Cat) |
| 16 | 14, 15 | elind 4156 | . . . . . 6 ⊢ (𝜑 → 𝐸 ∈ ({𝐷, 𝐸} ∩ Cat)) |
| 17 | 16, 11 | eleqtrrd 2869 | . . . . 5 ⊢ (𝜑 → 𝐸 ∈ (Base‘(CatCat‘{𝐷, 𝐸}))) |
| 18 | 2, 3, 12, 17, 4 | termcciso 50335 | . . . 4 ⊢ (𝜑 → (𝐸 ∈ TermCat ↔ 𝐷( ≃𝑐 ‘(CatCat‘{𝐷, 𝐸}))𝐸)) |
| 19 | 1, 18 | mpbid 235 | . . 3 ⊢ (𝜑 → 𝐷( ≃𝑐 ‘(CatCat‘{𝐷, 𝐸}))𝐸) |
| 20 | eqid 2766 | . . . 4 ⊢ (Iso‘(CatCat‘{𝐷, 𝐸})) = (Iso‘(CatCat‘{𝐷, 𝐸})) | |
| 21 | 2 | catccat 18190 | . . . . 5 ⊢ ({𝐷, 𝐸} ∈ V → (CatCat‘{𝐷, 𝐸}) ∈ Cat) |
| 22 | 10, 21 | syl 18 | . . . 4 ⊢ (𝜑 → (CatCat‘{𝐷, 𝐸}) ∈ Cat) |
| 23 | 20, 3, 22, 12, 17 | cic 17881 | . . 3 ⊢ (𝜑 → (𝐷( ≃𝑐 ‘(CatCat‘{𝐷, 𝐸}))𝐸 ↔ ∃𝑘 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸))) |
| 24 | 19, 23 | mpbid 235 | . 2 ⊢ (𝜑 → ∃𝑘 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) |
| 25 | uobeqterm.a | . . 3 ⊢ 𝐴 = (Base‘𝐷) | |
| 26 | uobeqterm.x | . . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝐴) | |
| 27 | 26 | adantr 486 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝑋 ∈ 𝐴) |
| 28 | uobeqterm.f | . . . 4 ⊢ (𝜑 → 𝐹 ∈ (𝐶 Func 𝐷)) | |
| 29 | 28 | adantr 486 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝐹 ∈ (𝐶 Func 𝐷)) |
| 30 | fullfunc 17990 | . . . . 5 ⊢ (𝐷 Full 𝐸) ⊆ (𝐷 Func 𝐸) | |
| 31 | uobeqterm.b | . . . . . . . 8 ⊢ 𝐵 = (Base‘𝐸) | |
| 32 | simpr 490 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) | |
| 33 | 2, 25, 31, 20, 32 | catcisoi 50219 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → (𝑘 ∈ ((𝐷 Full 𝐸) ∩ (𝐷 Faith 𝐸)) ∧ (1st ‘𝑘):𝐴–1-1-onto→𝐵)) |
| 34 | 33 | simpld 500 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝑘 ∈ ((𝐷 Full 𝐸) ∩ (𝐷 Faith 𝐸))) |
| 35 | 34 | elin1d 4160 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝑘 ∈ (𝐷 Full 𝐸)) |
| 36 | 30, 35 | sselid 3938 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝑘 ∈ (𝐷 Func 𝐸)) |
| 37 | uobeqterm.g | . . . . 5 ⊢ (𝜑 → 𝐺 ∈ (𝐶 Func 𝐸)) | |
| 38 | 37 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝐺 ∈ (𝐶 Func 𝐸)) |
| 39 | 1 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝐸 ∈ TermCat) |
| 40 | 29, 36, 38, 39 | cofuterm 50364 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → (𝑘 ∘func 𝐹) = 𝐺) |
| 41 | 36 | func1st2nd 49895 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → (1st ‘𝑘)(𝐷 Func 𝐸)(2nd ‘𝑘)) |
| 42 | 25, 31, 41 | funcf1 17948 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → (1st ‘𝑘):𝐴⟶𝐵) |
| 43 | 42, 27 | ffvelcdmd 7087 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → ((1st ‘𝑘)‘𝑋) ∈ 𝐵) |
| 44 | uobeqterm.y | . . . . 5 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 45 | 44 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝑌 ∈ 𝐵) |
| 46 | 39, 31, 43, 45 | termcbasmo 50302 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → ((1st ‘𝑘)‘𝑋) = 𝑌) |
| 47 | 25, 27, 29, 40, 46, 2, 20, 32 | uobeq3 50221 | . 2 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → dom (𝐹(𝐶 UP 𝐷)𝑋) = dom (𝐺(𝐶 UP 𝐸)𝑌)) |
| 48 | 24, 47 | exlimddv 1968 | 1 ⊢ (𝜑 → dom (𝐹(𝐶 UP 𝐷)𝑋) = dom (𝐺(𝐶 UP 𝐸)𝑌)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∃wex 1812 ∈ wcel 2146 Vcvv 3458 ∩ cin 3907 {cpr 4596 class class class wbr 5114 dom cdm 5666 –1-1-onto→wf1o 6542 ‘cfv 6543 (class class class)co 7423 1st c1st 7993 2nd c2nd 7994 Basecbs 17294 Catccat 17745 Isociso 17828 ≃𝑐 ccic 17877 Func cfunc 17936 Full cful 17986 Faith cfth 17987 CatCatccatc 18180 UP cup 49992 TermCatctermc 50291 |
| 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 2738 ax-rep 5243 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 ax-cnex 11174 ax-resscn 11175 ax-1cn 11176 ax-icn 11177 ax-addcl 11178 ax-addrcl 11179 ax-mulcl 11180 ax-mulrcl 11181 ax-mulcom 11182 ax-addass 11183 ax-mulass 11184 ax-distr 11185 ax-i2m1 11186 ax-1ne0 11187 ax-1rid 11188 ax-rnegex 11189 ax-rrecex 11190 ax-cnre 11191 ax-pre-lttri 11192 ax-pre-lttrn 11193 ax-pre-ltadd 11194 ax-pre-mulgt0 11195 |
| 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 2100 df-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-nel 3068 df-ral 3083 df-rex 3093 df-rmo 3372 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3928 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-tp 4599 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-tr 5224 df-id 5561 df-eprel 5566 df-po 5574 df-so 5575 df-fr 5619 df-we 5621 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-pred 6309 df-ord 6370 df-on 6371 df-lim 6372 df-suc 6373 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7380 df-ov 7426 df-oprab 7427 df-mpo 7428 df-om 7872 df-1st 7995 df-2nd 7996 df-supp 8166 df-tpos 8231 df-frecs 8287 df-wrecs 8318 df-recs 8367 df-rdg 8406 df-1o 8462 df-er 8703 df-map 8835 df-ixp 8905 df-en 8953 df-dom 8954 df-sdom 8955 df-fin 8956 df-pnf 11263 df-mnf 11264 df-xr 11265 df-ltxr 11266 df-le 11267 df-sub 11461 df-neg 11462 df-nn 12252 df-2 12321 df-3 12322 df-4 12323 df-5 12324 df-6 12325 df-7 12326 df-8 12327 df-9 12328 df-n0 12523 df-z 12610 df-dec 12730 df-uz 12881 df-fz 13554 df-struct 17232 df-sets 17249 df-slot 17267 df-ndx 17279 df-base 17295 df-hom 17359 df-cco 17360 df-cat 17749 df-cid 17750 df-homf 17751 df-comf 17752 df-oppc 17793 df-sect 17829 df-inv 17830 df-iso 17831 df-cic 17878 df-func 17940 df-idfu 17941 df-cofu 17942 df-full 17988 df-fth 17989 df-nat 18028 df-fuc 18029 df-inito 18066 df-termo 18067 df-catc 18181 df-up 49993 df-thinc 50237 df-termc 50292 |
| This theorem is used by: isinito4 50366 |
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