| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > ofc2 | Structured version Visualization version GIF version | ||
| Description: Right operation by a constant. (Contributed by NM, 7-Oct-2014.) |
| Ref | Expression |
|---|---|
| ofc2.1 | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| ofc2.2 | ⊢ (𝜑 → 𝐵 ∈ 𝑊) |
| ofc2.3 | ⊢ (𝜑 → 𝐹 Fn 𝐴) |
| ofc2.4 | ⊢ ((𝜑 ∧ 𝑋 ∈ 𝐴) → (𝐹‘𝑋) = 𝐶) |
| Ref | Expression |
|---|---|
| ofc2 | ⊢ ((𝜑 ∧ 𝑋 ∈ 𝐴) → ((𝐹 ∘f 𝑅(𝐴 × {𝐵}))‘𝑋) = (𝐶𝑅𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ofc2.3 | . 2 ⊢ (𝜑 → 𝐹 Fn 𝐴) | |
| 2 | ofc2.2 | . . 3 ⊢ (𝜑 → 𝐵 ∈ 𝑊) | |
| 3 | fnconstg 6715 | . . 3 ⊢ (𝐵 ∈ 𝑊 → (𝐴 × {𝐵}) Fn 𝐴) | |
| 4 | 2, 3 | syl 17 | . 2 ⊢ (𝜑 → (𝐴 × {𝐵}) Fn 𝐴) |
| 5 | ofc2.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 6 | inidm 4155 | . 2 ⊢ (𝐴 ∩ 𝐴) = 𝐴 | |
| 7 | ofc2.4 | . 2 ⊢ ((𝜑 ∧ 𝑋 ∈ 𝐴) → (𝐹‘𝑋) = 𝐶) | |
| 8 | fvconst2g 7146 | . . 3 ⊢ ((𝐵 ∈ 𝑊 ∧ 𝑋 ∈ 𝐴) → ((𝐴 × {𝐵})‘𝑋) = 𝐵) | |
| 9 | 2, 8 | sylan 586 | . 2 ⊢ ((𝜑 ∧ 𝑋 ∈ 𝐴) → ((𝐴 × {𝐵})‘𝑋) = 𝐵) |
| 10 | 1, 4, 5, 5, 6, 7, 9 | ofval 7631 | 1 ⊢ ((𝜑 ∧ 𝑋 ∈ 𝐴) → ((𝐹 ∘f 𝑅(𝐴 × {𝐵}))‘𝑋) = (𝐶𝑅𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 396 = wceq 1547 ∈ wcel 2119 {csn 4555 × cxp 5616 Fn wfn 6480 ‘cfv 6485 (class class class)co 7356 ∘f cof 7618 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-rep 5199 ax-sep 5218 ax-nul 5228 ax-pr 5362 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-ral 3054 df-rex 3064 df-reu 3345 df-rab 3392 df-v 3433 df-sbc 3724 df-csb 3832 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-iun 4923 df-br 5073 df-opab 5135 df-mpt 5154 df-id 5513 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-iota 6441 df-fun 6487 df-fn 6488 df-f 6489 df-f1 6490 df-fo 6491 df-f1o 6492 df-fv 6493 df-ov 7359 df-oprab 7360 df-mpo 7361 df-of 7620 |
| This theorem is referenced by: lflvscl 39569 lkrsc 39589 ldualvsval 39630 |
| Copyright terms: Public domain | W3C validator |