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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 2760 | . . . . 5 ⊢ (CatCat‘{𝐷, 𝐸}) = (CatCat‘{𝐷, 𝐸}) | |
| 3 | eqid 2760 | . . . . 5 ⊢ (Base‘(CatCat‘{𝐷, 𝐸})) = (Base‘(CatCat‘{𝐷, 𝐸})) | |
| 4 | uobeqterm.d | . . . . . . . 8 ⊢ (𝜑 → 𝐷 ∈ TermCat) | |
| 5 | prid1g 4717 | . . . . . . . 8 ⊢ (𝐷 ∈ TermCat → 𝐷 ∈ {𝐷, 𝐸}) | |
| 6 | 4, 5 | syl 18 | . . . . . . 7 ⊢ (𝜑 → 𝐷 ∈ {𝐷, 𝐸}) |
| 7 | 4 | termccatd 50708 | . . . . . . 7 ⊢ (𝜑 → 𝐷 ∈ Cat) |
| 8 | 6, 7 | elind 4097 | . . . . . 6 ⊢ (𝜑 → 𝐷 ∈ ({𝐷, 𝐸} ∩ Cat)) |
| 9 | prex 5395 | . . . . . . . 8 ⊢ {𝐷, 𝐸} ∈ V | |
| 10 | 9 | a1i 11 | . . . . . . 7 ⊢ (𝜑 → {𝐷, 𝐸} ∈ V) |
| 11 | 2, 3, 10 | catcbas 18282 | . . . . . 6 ⊢ (𝜑 → (Base‘(CatCat‘{𝐷, 𝐸})) = ({𝐷, 𝐸} ∩ Cat)) |
| 12 | 8, 11 | eleqtrrd 2863 | . . . . 5 ⊢ (𝜑 → 𝐷 ∈ (Base‘(CatCat‘{𝐷, 𝐸}))) |
| 13 | prid2g 4718 | . . . . . . . 8 ⊢ (𝐸 ∈ TermCat → 𝐸 ∈ {𝐷, 𝐸}) | |
| 14 | 1, 13 | syl 18 | . . . . . . 7 ⊢ (𝜑 → 𝐸 ∈ {𝐷, 𝐸}) |
| 15 | 1 | termccatd 50708 | . . . . . . 7 ⊢ (𝜑 → 𝐸 ∈ Cat) |
| 16 | 14, 15 | elind 4097 | . . . . . 6 ⊢ (𝜑 → 𝐸 ∈ ({𝐷, 𝐸} ∩ Cat)) |
| 17 | 16, 11 | eleqtrrd 2863 | . . . . 5 ⊢ (𝜑 → 𝐸 ∈ (Base‘(CatCat‘{𝐷, 𝐸}))) |
| 18 | 2, 3, 12, 17, 4 | termcciso 50745 | . . . 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 2760 | . . . 4 ⊢ (Iso‘(CatCat‘{𝐷, 𝐸})) = (Iso‘(CatCat‘{𝐷, 𝐸})) | |
| 21 | 2 | catccat 18289 | . . . . 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 17980 | . . 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 18089 | . . . . 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 50629 | . . . . . . 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 4101 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝑘 ∈ (𝐷 Full 𝐸)) |
| 36 | 30, 35 | sselid 3906 | . . . 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 50777 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → (𝑘 ∘func 𝐹) = 𝐺) |
| 41 | 36 | func1st2nd 50284 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → (1st ‘𝑘)(𝐷 Func 𝐸)(2nd ‘𝑘)) |
| 42 | 25, 31, 41 | funcf1 18047 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → (1st ‘𝑘):𝐴⟶𝐵) |
| 43 | 42, 27 | ffvelcdmd 7086 | . . . 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 50712 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → ((1st ‘𝑘)‘𝑋) = 𝑌) |
| 47 | 25, 27, 29, 40, 46, 2, 20, 32 | uobeq3 50631 | . 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 1967 | 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 1569 ∃wex 1811 ∈ wcel 2144 Vcvv 3450 ∩ cin 4089 {cpr 4586 class class class wbr 5102 dom cdm 5650 –1-1-onto→wf1o 6538 ‘cfv 6539 (class class class)co 7421 1st c1st 8000 2nd c2nd 8001 Basecbs 17393 Catccat 17844 Isociso 17927 ≃𝑐 ccic 17976 Func cfunc 18035 Full cful 18085 Faith cfth 18086 CatCatccatc 18279 UP cup 50383 TermCatctermc 50701 |
| 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 7752 ax-cnex 11260 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 ax-pre-mulgt0 11281 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 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-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 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-tp 4589 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 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-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-om 7879 df-1st 8002 df-2nd 8003 df-supp 8181 df-tpos 8247 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-1o 8480 df-er 8721 df-map 8853 df-ixp 8930 df-en 8978 df-dom 8979 df-sdom 8980 df-fin 8981 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 df-sub 11547 df-neg 11548 df-nn 12340 df-2 12409 df-3 12410 df-4 12411 df-5 12412 df-6 12413 df-7 12414 df-8 12415 df-9 12416 df-n0 12611 df-z 12698 df-dec 12819 df-uz 12970 df-fz 13644 df-struct 17331 df-sets 17348 df-slot 17366 df-ndx 17378 df-base 17394 df-hom 17458 df-cco 17459 df-cat 17848 df-cid 17849 df-homf 17850 df-comf 17851 df-oppc 17892 df-sect 17928 df-inv 17929 df-iso 17930 df-cic 17977 df-func 18039 df-idfu 18040 df-cofu 18041 df-full 18087 df-fth 18088 df-nat 18127 df-fuc 18128 df-inito 18165 df-termo 18166 df-catc 18280 df-up 50384 df-thinc 50647 df-termc 50702 |
| This theorem is used by: isinito4 50779 |
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