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| Mirrors > Home > MPE Home > Th. List > Mathboxes > prcoftposcurfucoa | Structured version Visualization version GIF version | ||
| Description: The pre-composition functor is the transposed curry of the functor composition bifunctor. (Contributed by Zhi Wang, 2-Nov-2025.) |
| Ref | Expression |
|---|---|
| prcoffunc.r | ⊢ 𝑅 = (𝐷 FuncCat 𝐸) |
| prcoffunc.e | ⊢ (𝜑 → 𝐸 ∈ Cat) |
| prcoftposcurfuco.q | ⊢ 𝑄 = (𝐶 FuncCat 𝐷) |
| prcoftposcurfuco.o | ⊢ (𝜑 → ⚬ = (〈𝑄, 𝑅〉 curryF ((〈𝐶, 𝐷〉 ∘F 𝐸) ∘func (𝑄 swapF 𝑅)))) |
| prcoftposcurfucoa.m | ⊢ (𝜑 → 𝑀 = ((1st ‘ ⚬ )‘𝐹)) |
| prcoftposcurfucoa.f | ⊢ (𝜑 → 𝐹 ∈ (𝐶 Func 𝐷)) |
| Ref | Expression |
|---|---|
| prcoftposcurfucoa | ⊢ (𝜑 → (〈𝐷, 𝐸〉 −∘F 𝐹) = 𝑀) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | relfunc 17945 | . . . 4 ⊢ Rel (𝐶 Func 𝐷) | |
| 2 | prcoftposcurfucoa.f | . . . 4 ⊢ (𝜑 → 𝐹 ∈ (𝐶 Func 𝐷)) | |
| 3 | 1st2nd 8042 | . . . 4 ⊢ ((Rel (𝐶 Func 𝐷) ∧ 𝐹 ∈ (𝐶 Func 𝐷)) → 𝐹 = 〈(1st ‘𝐹), (2nd ‘𝐹)〉) | |
| 4 | 1, 2, 3 | sylancr 599 | . . 3 ⊢ (𝜑 → 𝐹 = 〈(1st ‘𝐹), (2nd ‘𝐹)〉) |
| 5 | 4 | oveq2d 7435 | . 2 ⊢ (𝜑 → (〈𝐷, 𝐸〉 −∘F 𝐹) = (〈𝐷, 𝐸〉 −∘F 〈(1st ‘𝐹), (2nd ‘𝐹)〉)) |
| 6 | prcoffunc.r | . . 3 ⊢ 𝑅 = (𝐷 FuncCat 𝐸) | |
| 7 | prcoffunc.e | . . 3 ⊢ (𝜑 → 𝐸 ∈ Cat) | |
| 8 | prcoftposcurfuco.q | . . 3 ⊢ 𝑄 = (𝐶 FuncCat 𝐷) | |
| 9 | prcoftposcurfuco.o | . . 3 ⊢ (𝜑 → ⚬ = (〈𝑄, 𝑅〉 curryF ((〈𝐶, 𝐷〉 ∘F 𝐸) ∘func (𝑄 swapF 𝑅)))) | |
| 10 | prcoftposcurfucoa.m | . . . 4 ⊢ (𝜑 → 𝑀 = ((1st ‘ ⚬ )‘𝐹)) | |
| 11 | 4 | fveq2d 6889 | . . . 4 ⊢ (𝜑 → ((1st ‘ ⚬ )‘𝐹) = ((1st ‘ ⚬ )‘〈(1st ‘𝐹), (2nd ‘𝐹)〉)) |
| 12 | 10, 11 | eqtrd 2800 | . . 3 ⊢ (𝜑 → 𝑀 = ((1st ‘ ⚬ )‘〈(1st ‘𝐹), (2nd ‘𝐹)〉)) |
| 13 | 2 | func1st2nd 49930 | . . 3 ⊢ (𝜑 → (1st ‘𝐹)(𝐶 Func 𝐷)(2nd ‘𝐹)) |
| 14 | 6, 7, 8, 9, 12, 13 | prcoftposcurfuco 50237 | . 2 ⊢ (𝜑 → (〈𝐷, 𝐸〉 −∘F 〈(1st ‘𝐹), (2nd ‘𝐹)〉) = 𝑀) |
| 15 | 5, 14 | eqtrd 2800 | 1 ⊢ (𝜑 → (〈𝐷, 𝐸〉 −∘F 𝐹) = 𝑀) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2146 〈cop 4597 Rel wrel 5668 ‘cfv 6540 (class class class)co 7419 1st c1st 7990 2nd c2nd 7991 Catccat 17746 Func cfunc 17937 ∘func ccofu 17939 FuncCat cfuc 18028 curryF ccurf 18292 swapF cswapf 50113 ∘F cfuco 50170 −∘F cprcof 50227 |
| 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 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11175 ax-resscn 11176 ax-1cn 11177 ax-icn 11178 ax-addcl 11179 ax-addrcl 11180 ax-mulcl 11181 ax-mulrcl 11182 ax-mulcom 11183 ax-addass 11184 ax-mulass 11185 ax-distr 11186 ax-i2m1 11187 ax-1ne0 11188 ax-1rid 11189 ax-rnegex 11190 ax-rrecex 11191 ax-cnre 11192 ax-pre-lttri 11193 ax-pre-lttrn 11194 ax-pre-ltadd 11195 ax-pre-mulgt0 11196 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-tp 4596 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-1st 7992 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-1o 8459 df-er 8700 df-map 8832 df-ixp 8902 df-en 8950 df-dom 8951 df-sdom 8952 df-fin 8953 df-pnf 11264 df-mnf 11265 df-xr 11266 df-ltxr 11267 df-le 11268 df-sub 11462 df-neg 11463 df-nn 12253 df-2 12322 df-3 12323 df-4 12324 df-5 12325 df-6 12326 df-7 12327 df-8 12328 df-9 12329 df-n0 12524 df-z 12611 df-dec 12732 df-uz 12883 df-fz 13556 df-struct 17233 df-slot 17268 df-ndx 17280 df-base 17296 df-hom 17360 df-cco 17361 df-cat 17750 df-cid 17751 df-func 17941 df-cofu 17943 df-nat 18029 df-fuc 18030 df-xpc 18254 df-curf 18296 df-swapf 50114 df-fuco 50171 df-prcof 50228 |
| This theorem is used by: prcoffunca 50240 |
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