| Mathbox for Zhi Wang |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > natoppf2 | Structured version Visualization version GIF version | ||
| Description: A natural transformation is natural between opposite functors. (Contributed by Zhi Wang, 18-Nov-2025.) |
| Ref | Expression |
|---|---|
| natoppf.o | ⊢ 𝑂 = (oppCat‘𝐶) |
| natoppf.p | ⊢ 𝑃 = (oppCat‘𝐷) |
| natoppf.n | ⊢ 𝑁 = (𝐶 Nat 𝐷) |
| natoppf.m | ⊢ 𝑀 = (𝑂 Nat 𝑃) |
| natoppfb.k | ⊢ (𝜑 → 𝐾 = ( oppFunc ‘𝐹)) |
| natoppfb.l | ⊢ (𝜑 → 𝐿 = ( oppFunc ‘𝐺)) |
| natoppf2.a | ⊢ (𝜑 → 𝐴 ∈ (𝐹𝑁𝐺)) |
| Ref | Expression |
|---|---|
| natoppf2 | ⊢ (𝜑 → 𝐴 ∈ (𝐿𝑀𝐾)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | natoppf.o | . . 3 ⊢ 𝑂 = (oppCat‘𝐶) | |
| 2 | natoppf.p | . . 3 ⊢ 𝑃 = (oppCat‘𝐷) | |
| 3 | natoppf.n | . . 3 ⊢ 𝑁 = (𝐶 Nat 𝐷) | |
| 4 | natoppf.m | . . 3 ⊢ 𝑀 = (𝑂 Nat 𝑃) | |
| 5 | natoppf2.a | . . . 4 ⊢ (𝜑 → 𝐴 ∈ (𝐹𝑁𝐺)) | |
| 6 | 3, 5 | nat1st2nd 18043 | . . 3 ⊢ (𝜑 → 𝐴 ∈ (〈(1st ‘𝐹), (2nd ‘𝐹)〉𝑁〈(1st ‘𝐺), (2nd ‘𝐺)〉)) |
| 7 | 1, 2, 3, 4, 6 | natoppf 50155 | . 2 ⊢ (𝜑 → 𝐴 ∈ (〈(1st ‘𝐺), tpos (2nd ‘𝐺)〉𝑀〈(1st ‘𝐹), tpos (2nd ‘𝐹)〉)) |
| 8 | natoppfb.l | . . . 4 ⊢ (𝜑 → 𝐿 = ( oppFunc ‘𝐺)) | |
| 9 | 3 | natrcl 18042 | . . . . . 6 ⊢ (𝐴 ∈ (𝐹𝑁𝐺) → (𝐹 ∈ (𝐶 Func 𝐷) ∧ 𝐺 ∈ (𝐶 Func 𝐷))) |
| 10 | 9 | simprd 501 | . . . . 5 ⊢ (𝐴 ∈ (𝐹𝑁𝐺) → 𝐺 ∈ (𝐶 Func 𝐷)) |
| 11 | oppfval2 50063 | . . . . 5 ⊢ (𝐺 ∈ (𝐶 Func 𝐷) → ( oppFunc ‘𝐺) = 〈(1st ‘𝐺), tpos (2nd ‘𝐺)〉) | |
| 12 | 5, 10, 11 | 3syl 19 | . . . 4 ⊢ (𝜑 → ( oppFunc ‘𝐺) = 〈(1st ‘𝐺), tpos (2nd ‘𝐺)〉) |
| 13 | 8, 12 | eqtrd 2795 | . . 3 ⊢ (𝜑 → 𝐿 = 〈(1st ‘𝐺), tpos (2nd ‘𝐺)〉) |
| 14 | natoppfb.k | . . . 4 ⊢ (𝜑 → 𝐾 = ( oppFunc ‘𝐹)) | |
| 15 | 9 | simpld 500 | . . . . 5 ⊢ (𝐴 ∈ (𝐹𝑁𝐺) → 𝐹 ∈ (𝐶 Func 𝐷)) |
| 16 | oppfval2 50063 | . . . . 5 ⊢ (𝐹 ∈ (𝐶 Func 𝐷) → ( oppFunc ‘𝐹) = 〈(1st ‘𝐹), tpos (2nd ‘𝐹)〉) | |
| 17 | 5, 15, 16 | 3syl 19 | . . . 4 ⊢ (𝜑 → ( oppFunc ‘𝐹) = 〈(1st ‘𝐹), tpos (2nd ‘𝐹)〉) |
| 18 | 14, 17 | eqtrd 2795 | . . 3 ⊢ (𝜑 → 𝐾 = 〈(1st ‘𝐹), tpos (2nd ‘𝐹)〉) |
| 19 | 13, 18 | oveq12d 7431 | . 2 ⊢ (𝜑 → (𝐿𝑀𝐾) = (〈(1st ‘𝐺), tpos (2nd ‘𝐺)〉𝑀〈(1st ‘𝐹), tpos (2nd ‘𝐹)〉)) |
| 20 | 7, 19 | eleqtrrd 2863 | 1 ⊢ (𝜑 → 𝐴 ∈ (𝐿𝑀𝐾)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 〈cop 4590 ‘cfv 6533 (class class class)co 7413 1st c1st 7984 2nd c2nd 7985 tpos ctpos 8223 oppCatcoppc 17799 Func cfunc 17943 Nat cnat 18033 oppFunc coppf 50048 |
| 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 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7736 ax-cnex 11180 ax-resscn 11181 ax-1cn 11182 ax-icn 11183 ax-addcl 11184 ax-addrcl 11185 ax-mulcl 11186 ax-mulrcl 11187 ax-mulcom 11188 ax-addass 11189 ax-mulass 11190 ax-distr 11191 ax-i2m1 11192 ax-1ne0 11193 ax-1rid 11194 ax-rnegex 11195 ax-rrecex 11196 ax-cnre 11197 ax-pre-lttri 11198 ax-pre-lttrn 11199 ax-pre-ltadd 11200 ax-pre-mulgt0 11201 |
| 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 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 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-om 7863 df-1st 7986 df-2nd 7987 df-tpos 8224 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-er 8696 df-map 8828 df-ixp 8905 df-en 8953 df-dom 8954 df-sdom 8955 df-pnf 11269 df-mnf 11270 df-xr 11271 df-ltxr 11272 df-le 11273 df-sub 11467 df-neg 11468 df-nn 12258 df-2 12327 df-3 12328 df-4 12329 df-5 12330 df-6 12331 df-7 12332 df-8 12333 df-9 12334 df-n0 12529 df-z 12616 df-dec 12737 df-sets 17256 df-slot 17274 df-ndx 17286 df-base 17302 df-hom 17366 df-cco 17367 df-cat 17756 df-cid 17757 df-oppc 17800 df-func 17947 df-nat 18035 df-oppf 50049 |
| This theorem is used by: natoppfb 50157 |
| Copyright terms: Public domain | W3C validator |