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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 2763 | . . . . 5 ⊢ (CatCat‘{𝐷, 𝐸}) = (CatCat‘{𝐷, 𝐸}) | |
| 3 | eqid 2763 | . . . . 5 ⊢ (Base‘(CatCat‘{𝐷, 𝐸})) = (Base‘(CatCat‘{𝐷, 𝐸})) | |
| 4 | uobeqterm.d | . . . . . . . 8 ⊢ (𝜑 → 𝐷 ∈ TermCat) | |
| 5 | prid1g 4721 | . . . . . . . 8 ⊢ (𝐷 ∈ TermCat → 𝐷 ∈ {𝐷, 𝐸}) | |
| 6 | 4, 5 | syl 18 | . . . . . . 7 ⊢ (𝜑 → 𝐷 ∈ {𝐷, 𝐸}) |
| 7 | 4 | termccatd 50829 | . . . . . . 7 ⊢ (𝜑 → 𝐷 ∈ Cat) |
| 8 | 6, 7 | elind 4100 | . . . . . 6 ⊢ (𝜑 → 𝐷 ∈ ({𝐷, 𝐸} ∩ Cat)) |
| 9 | prex 5401 | . . . . . . . 8 ⊢ {𝐷, 𝐸} ∈ V | |
| 10 | 9 | a1i 11 | . . . . . . 7 ⊢ (𝜑 → {𝐷, 𝐸} ∈ V) |
| 11 | 2, 3, 10 | catcbas 18308 | . . . . . 6 ⊢ (𝜑 → (Base‘(CatCat‘{𝐷, 𝐸})) = ({𝐷, 𝐸} ∩ Cat)) |
| 12 | 8, 11 | eleqtrrd 2867 | . . . . 5 ⊢ (𝜑 → 𝐷 ∈ (Base‘(CatCat‘{𝐷, 𝐸}))) |
| 13 | prid2g 4722 | . . . . . . . 8 ⊢ (𝐸 ∈ TermCat → 𝐸 ∈ {𝐷, 𝐸}) | |
| 14 | 1, 13 | syl 18 | . . . . . . 7 ⊢ (𝜑 → 𝐸 ∈ {𝐷, 𝐸}) |
| 15 | 1 | termccatd 50829 | . . . . . . 7 ⊢ (𝜑 → 𝐸 ∈ Cat) |
| 16 | 14, 15 | elind 4100 | . . . . . 6 ⊢ (𝜑 → 𝐸 ∈ ({𝐷, 𝐸} ∩ Cat)) |
| 17 | 16, 11 | eleqtrrd 2867 | . . . . 5 ⊢ (𝜑 → 𝐸 ∈ (Base‘(CatCat‘{𝐷, 𝐸}))) |
| 18 | 2, 3, 12, 17, 4 | termcciso 50866 | . . . 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 2763 | . . . 4 ⊢ (Iso‘(CatCat‘{𝐷, 𝐸})) = (Iso‘(CatCat‘{𝐷, 𝐸})) | |
| 21 | 2 | catccat 18315 | . . . . 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 18006 | . . 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 18115 | . . . . 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 50750 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → (𝑘 ∈ ((𝐷 Full 𝐸) ∩ (𝐷 Faith 𝐸)) ∧ (1st ‘𝑘):𝐴⟶1-1onto𝐵)) |
| 34 | 33 | simpld 500 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝑘 ∈ ((𝐷 Full 𝐸) ∩ (𝐷 Faith 𝐸))) |
| 35 | 34 | elin1d 4104 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → 𝑘 ∈ (𝐷 Full 𝐸)) |
| 36 | 30, 35 | sselid 3911 | . . . 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 50898 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → (𝑘 ∘func 𝐹) = 𝐺) |
| 41 | 36 | func1st2nd 50405 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → (1st ‘𝑘)(𝐷 Func 𝐸)(2nd ‘𝑘)) |
| 42 | 25, 31, 41 | funcf1 18073 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → (1st ‘𝑘):𝐴⟶𝐵) |
| 43 | 42, 27 | ffvelcdmd 7112 | . . . 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 50833 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐷(Iso‘(CatCat‘{𝐷, 𝐸}))𝐸)) → ((1st ‘𝑘)‘𝑋) = 𝑌) |
| 47 | 25, 27, 29, 40, 46, 2, 20, 32 | uobeq3 50752 | . 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 1970 | 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 2147 Vcvv 3454 ∩ cin 4092 {cpr 4590 class class class wbr 5106 dom cdm 5656 ⟶1-1ontowf1o 6560 ‘cfv 6561 (class class class)co 7446 1st c1st 8026 2nd c2nd 8027 Basecbs 17419 Catccat 17870 Isociso 17953 ≃𝑐 ccic 18002 Func cfunc 18061 Full cful 18111 Faith cfth 18112 CatCatccatc 18305 UP cup 50504 TermCatctermc 50822 |
| 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 5236 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 ax-cnex 11286 ax-resscn 11287 ax-1cn 11288 ax-icn 11289 ax-addcl 11290 ax-addrcl 11291 ax-mulcl 11292 ax-mulrcl 11293 ax-mulcom 11294 ax-addass 11295 ax-mulass 11296 ax-distr 11297 ax-i2m1 11298 ax-1ne0 11299 ax-1rid 11300 ax-rnegex 11301 ax-rrecex 11302 ax-cnre 11303 ax-pre-lttri 11304 ax-pre-lttrn 11305 ax-pre-ltadd 11306 ax-pre-mulgt0 11307 |
| 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 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5551 df-eprel 5556 df-po 5564 df-so 5565 df-fr 5609 df-we 5611 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-pred 6325 df-ord 6386 df-on 6387 df-lim 6388 df-suc 6389 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7403 df-ov 7449 df-oprab 7450 df-mpo 7451 df-om 7905 df-1st 8028 df-2nd 8029 df-supp 8208 df-tpos 8274 df-frecs 8330 df-wrecs 8361 df-recs 8410 df-rdg 8449 df-1o 8507 df-er 8748 df-map 8880 df-ixp 8957 df-en 9005 df-dom 9006 df-sdom 9007 df-fin 9008 df-pnf 11375 df-mnf 11376 df-xr 11377 df-ltxr 11378 df-le 11379 df-sub 11573 df-neg 11574 df-nn 12366 df-2 12435 df-3 12436 df-4 12437 df-5 12438 df-6 12439 df-7 12440 df-8 12441 df-9 12442 df-n0 12637 df-z 12724 df-dec 12845 df-uz 12996 df-fz 13670 df-struct 17357 df-sets 17374 df-slot 17392 df-ndx 17404 df-base 17420 df-hom 17484 df-cco 17485 df-cat 17874 df-cid 17875 df-homf 17876 df-comf 17877 df-oppc 17918 df-sect 17954 df-inv 17955 df-iso 17956 df-cic 18003 df-func 18065 df-idfu 18066 df-cofu 18067 df-full 18113 df-fth 18114 df-nat 18153 df-fuc 18154 df-inito 18191 df-termo 18192 df-catc 18306 df-up 50505 df-thinc 50768 df-termc 50823 |
| This theorem is used by: isinito4 50900 |
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