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Mirrors > Home > MPE Home > Th. List > ofmresval | Structured version Visualization version GIF version |
Description: Value of a restriction of the function operation map. (Contributed by NM, 20-Oct-2014.) |
Ref | Expression |
---|---|
ofmresval.f | ⊢ (𝜑 → 𝐹 ∈ 𝐴) |
ofmresval.g | ⊢ (𝜑 → 𝐺 ∈ 𝐵) |
Ref | Expression |
---|---|
ofmresval | ⊢ (𝜑 → (𝐹( ∘f 𝑅 ↾ (𝐴 × 𝐵))𝐺) = (𝐹 ∘f 𝑅𝐺)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ofmresval.f | . 2 ⊢ (𝜑 → 𝐹 ∈ 𝐴) | |
2 | ofmresval.g | . 2 ⊢ (𝜑 → 𝐺 ∈ 𝐵) | |
3 | ovres 7599 | . 2 ⊢ ((𝐹 ∈ 𝐴 ∧ 𝐺 ∈ 𝐵) → (𝐹( ∘f 𝑅 ↾ (𝐴 × 𝐵))𝐺) = (𝐹 ∘f 𝑅𝐺)) | |
4 | 1, 2, 3 | syl2anc 584 | 1 ⊢ (𝜑 → (𝐹( ∘f 𝑅 ↾ (𝐴 × 𝐵))𝐺) = (𝐹 ∘f 𝑅𝐺)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1537 ∈ wcel 2106 × cxp 5687 ↾ cres 5691 (class class class)co 7431 ∘f cof 7695 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1908 ax-6 1965 ax-7 2005 ax-8 2108 ax-9 2116 ax-ext 2706 ax-sep 5302 ax-nul 5312 ax-pr 5438 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1540 df-fal 1550 df-ex 1777 df-sb 2063 df-clab 2713 df-cleq 2727 df-clel 2814 df-ral 3060 df-rex 3069 df-rab 3434 df-v 3480 df-dif 3966 df-un 3968 df-in 3970 df-ss 3980 df-nul 4340 df-if 4532 df-sn 4632 df-pr 4634 df-op 4638 df-uni 4913 df-br 5149 df-opab 5211 df-xp 5695 df-res 5701 df-iota 6516 df-fv 6571 df-ov 7434 |
This theorem is referenced by: psradd 21975 dchrmul 27307 ldualvadd 39111 |
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