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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 2736 | . . . . 5 ⊢ (CatCat‘{𝐷, 𝐸}) = (CatCat‘{𝐷, 𝐸}) | |
| 3 | eqid 2736 | . . . . 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 17 | . . . . . . 7 ⊢ (𝜑 → 𝐷 ∈ {𝐷, 𝐸}) |
| 7 | 4 | termccd 49720 | . . . . . . 7 ⊢ (𝜑 → 𝐷 ∈ Cat) |
| 8 | 6, 7 | elind 4152 | . . . . . 6 ⊢ (𝜑 → 𝐷 ∈ ({𝐷, 𝐸} ∩ Cat)) |
| 9 | prex 5382 | . . . . . . . 8 ⊢ {𝐷, 𝐸} ∈ V | |
| 10 | 9 | a1i 11 | . . . . . . 7 ⊢ (𝜑 → {𝐷, 𝐸} ∈ V) |
| 11 | 2, 3, 10 | catcbas 18025 | . . . . . 6 ⊢ (𝜑 → (Base‘(CatCat‘{𝐷, 𝐸})) = ({𝐷, 𝐸} ∩ Cat)) |
| 12 | 8, 11 | eleqtrrd 2839 | . . . . 5 ⊢ (𝜑 → 𝐷 ∈ (Base‘(CatCat‘{𝐷, 𝐸}))) |
| 13 | prid2g 4718 | . . . . . . . 8 ⊢ (𝐸 ∈ TermCat → 𝐸 ∈ {𝐷, 𝐸}) | |
| 14 | 1, 13 | syl 17 | . . . . . . 7 ⊢ (𝜑 → 𝐸 ∈ {𝐷, 𝐸}) |
| 15 | 1 | termccd 49720 | . . . . . . 7 ⊢ (𝜑 → 𝐸 ∈ Cat) |
| 16 | 14, 15 | elind 4152 | . . . . . 6 ⊢ (𝜑 → 𝐸 ∈ ({𝐷, 𝐸} ∩ Cat)) |
| 17 | 16, 11 | eleqtrrd 2839 | . . . . 5 ⊢ (𝜑 → 𝐸 ∈ (Base‘(CatCat‘{𝐷, 𝐸}))) |
| 18 | 2, 3, 12, 17, 4 | termcciso 49757 | . . . 4 ⊢ (𝜑 → (𝐸 ∈ TermCat ↔ 𝐷( ≃𝑐 ‘(CatCat‘{𝐷, 𝐸}))𝐸)) |
| 19 | 1, 18 | mpbid 232 | . . 3 ⊢ (𝜑 → 𝐷( ≃𝑐 ‘(CatCat‘{𝐷, 𝐸}))𝐸) |
| 20 | eqid 2736 | . . . 4 ⊢ (Iso‘(CatCat‘{𝐷, 𝐸})) = (Iso‘(CatCat‘{𝐷, 𝐸})) | |
| 21 | 2 | catccat 18032 | . . . . 5 ⊢ ({𝐷, 𝐸} ∈ V → (CatCat‘{𝐷, 𝐸}) ∈ Cat) |
| 22 | 10, 21 | syl 17 | . . . 4 ⊢ (𝜑 → (CatCat‘{𝐷, 𝐸}) ∈ Cat) |
| 23 | 20, 3, 22, 12, 17 | cic 17723 | . . 3 ⊢ (𝜑 → (𝐷( ≃𝑐 ‘(CatCat‘{𝐷, 𝐸}))𝐸 ↔ ∃𝑘 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸))) |
| 24 | 19, 23 | mpbid 232 | . 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 480 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝑋 ∈ 𝐴) |
| 28 | uobeqterm.f | . . . 4 ⊢ (𝜑 → 𝐹 ∈ (𝐶 Func 𝐷)) | |
| 29 | 28 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝐹 ∈ (𝐶 Func 𝐷)) |
| 30 | fullfunc 17832 | . . . . 5 ⊢ (𝐷 Full 𝐸) ⊆ (𝐷 Func 𝐸) | |
| 31 | uobeqterm.b | . . . . . . . 8 ⊢ 𝐵 = (Base‘𝐸) | |
| 32 | simpr 484 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) | |
| 33 | 2, 25, 31, 20, 32 | catcisoi 49641 | . . . . . . 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 494 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝑘 ∈ ((𝐷 Full 𝐸) ∩ (𝐷 Faith 𝐸))) |
| 35 | 34 | elin1d 4156 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝑘 ∈ (𝐷 Full 𝐸)) |
| 36 | 30, 35 | sselid 3931 | . . . 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 480 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝐺 ∈ (𝐶 Func 𝐸)) |
| 39 | 1 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝐸 ∈ TermCat) |
| 40 | 29, 36, 38, 39 | cofuterm 49786 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → (𝑘 ∘func 𝐹) = 𝐺) |
| 41 | 36 | func1st2nd 49317 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → (1st ‘𝑘)(𝐷 Func 𝐸)(2nd ‘𝑘)) |
| 42 | 25, 31, 41 | funcf1 17790 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → (1st ‘𝑘):𝐴⟶𝐵) |
| 43 | 42, 27 | ffvelcdmd 7030 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → ((1st ‘𝑘)‘𝑋) ∈ 𝐵) |
| 44 | uobeqterm.y | . . . . 5 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 45 | 44 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝑌 ∈ 𝐵) |
| 46 | 39, 31, 43, 45 | termcbasmo 49724 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → ((1st ‘𝑘)‘𝑋) = 𝑌) |
| 47 | 25, 27, 29, 40, 46, 2, 20, 32 | uobeq3 49643 | . 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 1936 | 1 ⊢ (𝜑 → dom (𝐹(𝐶 UP 𝐷)𝑋) = dom (𝐺(𝐶 UP 𝐸)𝑌)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1541 ∃wex 1780 ∈ wcel 2113 Vcvv 3440 ∩ cin 3900 {cpr 4582 class class class wbr 5098 dom cdm 5624 –1-1-onto→wf1o 6491 ‘cfv 6492 (class class class)co 7358 1st c1st 7931 2nd c2nd 7932 Basecbs 17136 Catccat 17587 Isociso 17670 ≃𝑐 ccic 17719 Func cfunc 17778 Full cful 17828 Faith cfth 17829 CatCatccatc 18022 UP cup 49414 TermCatctermc 49713 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-rep 5224 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11082 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-addrcl 11087 ax-mulcl 11088 ax-mulrcl 11089 ax-mulcom 11090 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-i2m1 11094 ax-1ne0 11095 ax-1rid 11096 ax-rnegex 11097 ax-rrecex 11098 ax-cnre 11099 ax-pre-lttri 11100 ax-pre-lttrn 11101 ax-pre-ltadd 11102 ax-pre-mulgt0 11103 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-tp 4585 df-op 4587 df-uni 4864 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-1st 7933 df-2nd 7934 df-supp 8103 df-tpos 8168 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-1o 8397 df-er 8635 df-map 8765 df-ixp 8836 df-en 8884 df-dom 8885 df-sdom 8886 df-fin 8887 df-pnf 11168 df-mnf 11169 df-xr 11170 df-ltxr 11171 df-le 11172 df-sub 11366 df-neg 11367 df-nn 12146 df-2 12208 df-3 12209 df-4 12210 df-5 12211 df-6 12212 df-7 12213 df-8 12214 df-9 12215 df-n0 12402 df-z 12489 df-dec 12608 df-uz 12752 df-fz 13424 df-struct 17074 df-sets 17091 df-slot 17109 df-ndx 17121 df-base 17137 df-hom 17201 df-cco 17202 df-cat 17591 df-cid 17592 df-homf 17593 df-comf 17594 df-oppc 17635 df-sect 17671 df-inv 17672 df-iso 17673 df-cic 17720 df-func 17782 df-idfu 17783 df-cofu 17784 df-full 17830 df-fth 17831 df-nat 17870 df-fuc 17871 df-inito 17908 df-termo 17909 df-catc 18023 df-up 49415 df-thinc 49659 df-termc 49714 |
| This theorem is referenced by: isinito4 49788 |
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