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| Mirrors > Home > MPE Home > Th. List > Mathboxes > fuco23a | Structured version Visualization version GIF version | ||
| Description: The morphism part of the functor composition bifunctor. An alternate definition of ∘F. See also fuco23 50160. (Contributed by Zhi Wang, 3-Oct-2025.) |
| Ref | Expression |
|---|---|
| fuco23a.a | ⊢ (𝜑 → 𝐴 ∈ (〈𝐹, 𝐺〉(𝐶 Nat 𝐷)〈𝑀, 𝑁〉)) |
| fuco23a.b | ⊢ (𝜑 → 𝐵 ∈ (〈𝐾, 𝐿〉(𝐷 Nat 𝐸)〈𝑅, 𝑆〉)) |
| fuco23a.x | ⊢ (𝜑 → 𝑋 ∈ (Base‘𝐶)) |
| fuco23a.p | ⊢ (𝜑 → (〈𝐶, 𝐷〉 ∘F 𝐸) = 〈𝑂, 𝑃〉) |
| fuco23a.u | ⊢ (𝜑 → 𝑈 = 〈〈𝐾, 𝐿〉, 〈𝐹, 𝐺〉〉) |
| fuco23a.v | ⊢ (𝜑 → 𝑉 = 〈〈𝑅, 𝑆〉, 〈𝑀, 𝑁〉〉) |
| fuco23a.o | ⊢ (𝜑 → ∗ = (〈(𝐾‘(𝐹‘𝑋)), (𝑅‘(𝐹‘𝑋))〉(comp‘𝐸)(𝑅‘(𝑀‘𝑋)))) |
| Ref | Expression |
|---|---|
| fuco23a | ⊢ (𝜑 → ((𝐵(𝑈𝑃𝑉)𝐴)‘𝑋) = ((((𝐹‘𝑋)𝑆(𝑀‘𝑋))‘(𝐴‘𝑋)) ∗ (𝐵‘(𝐹‘𝑋)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fuco23a.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ (〈𝐹, 𝐺〉(𝐶 Nat 𝐷)〈𝑀, 𝑁〉)) | |
| 2 | fuco23a.b | . . 3 ⊢ (𝜑 → 𝐵 ∈ (〈𝐾, 𝐿〉(𝐷 Nat 𝐸)〈𝑅, 𝑆〉)) | |
| 3 | fuco23a.x | . . 3 ⊢ (𝜑 → 𝑋 ∈ (Base‘𝐶)) | |
| 4 | eqid 2766 | . . 3 ⊢ (comp‘𝐸) = (comp‘𝐸) | |
| 5 | 1, 2, 3, 4 | fuco23alem 50170 | . 2 ⊢ (𝜑 → ((𝐵‘(𝑀‘𝑋))(〈(𝐾‘(𝐹‘𝑋)), (𝐾‘(𝑀‘𝑋))〉(comp‘𝐸)(𝑅‘(𝑀‘𝑋)))(((𝐹‘𝑋)𝐿(𝑀‘𝑋))‘(𝐴‘𝑋))) = ((((𝐹‘𝑋)𝑆(𝑀‘𝑋))‘(𝐴‘𝑋))(〈(𝐾‘(𝐹‘𝑋)), (𝑅‘(𝐹‘𝑋))〉(comp‘𝐸)(𝑅‘(𝑀‘𝑋)))(𝐵‘(𝐹‘𝑋)))) |
| 6 | fuco23a.p | . . 3 ⊢ (𝜑 → (〈𝐶, 𝐷〉 ∘F 𝐸) = 〈𝑂, 𝑃〉) | |
| 7 | fuco23a.u | . . 3 ⊢ (𝜑 → 𝑈 = 〈〈𝐾, 𝐿〉, 〈𝐹, 𝐺〉〉) | |
| 8 | fuco23a.v | . . 3 ⊢ (𝜑 → 𝑉 = 〈〈𝑅, 𝑆〉, 〈𝑀, 𝑁〉〉) | |
| 9 | eqidd 2767 | . . 3 ⊢ (𝜑 → (〈(𝐾‘(𝐹‘𝑋)), (𝐾‘(𝑀‘𝑋))〉(comp‘𝐸)(𝑅‘(𝑀‘𝑋))) = (〈(𝐾‘(𝐹‘𝑋)), (𝐾‘(𝑀‘𝑋))〉(comp‘𝐸)(𝑅‘(𝑀‘𝑋)))) | |
| 10 | 6, 7, 8, 1, 2, 3, 9 | fuco23 50160 | . 2 ⊢ (𝜑 → ((𝐵(𝑈𝑃𝑉)𝐴)‘𝑋) = ((𝐵‘(𝑀‘𝑋))(〈(𝐾‘(𝐹‘𝑋)), (𝐾‘(𝑀‘𝑋))〉(comp‘𝐸)(𝑅‘(𝑀‘𝑋)))(((𝐹‘𝑋)𝐿(𝑀‘𝑋))‘(𝐴‘𝑋)))) |
| 11 | fuco23a.o | . . 3 ⊢ (𝜑 → ∗ = (〈(𝐾‘(𝐹‘𝑋)), (𝑅‘(𝐹‘𝑋))〉(comp‘𝐸)(𝑅‘(𝑀‘𝑋)))) | |
| 12 | 11 | oveqd 7440 | . 2 ⊢ (𝜑 → ((((𝐹‘𝑋)𝑆(𝑀‘𝑋))‘(𝐴‘𝑋)) ∗ (𝐵‘(𝐹‘𝑋))) = ((((𝐹‘𝑋)𝑆(𝑀‘𝑋))‘(𝐴‘𝑋))(〈(𝐾‘(𝐹‘𝑋)), (𝑅‘(𝐹‘𝑋))〉(comp‘𝐸)(𝑅‘(𝑀‘𝑋)))(𝐵‘(𝐹‘𝑋)))) |
| 13 | 5, 10, 12 | 3eqtr4d 2811 | 1 ⊢ (𝜑 → ((𝐵(𝑈𝑃𝑉)𝐴)‘𝑋) = ((((𝐹‘𝑋)𝑆(𝑀‘𝑋))‘(𝐴‘𝑋)) ∗ (𝐵‘(𝐹‘𝑋)))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2146 〈cop 4600 ‘cfv 6543 (class class class)co 7423 Basecbs 17294 compcco 17347 Nat cnat 18026 ∘F cfuco 50135 |
| 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 2738 ax-rep 5243 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-ral 3083 df-rex 3093 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-id 5561 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-ov 7426 df-oprab 7427 df-mpo 7428 df-1st 7995 df-2nd 7996 df-map 8835 df-ixp 8905 df-func 17940 df-cofu 17942 df-nat 18028 df-fuco 50136 |
| This theorem is used by: (None) |
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