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| Mirrors > Home > MPE Home > Th. List > fvmptmap | Structured version Visualization version GIF version | ||
| Description: Special case of fvmpt 7019 for operator theorems. (Contributed by NM, 27-Nov-2007.) |
| Ref | Expression |
|---|---|
| fvmptmap.1 | ⊢ 𝐶 ∈ V |
| fvmptmap.2 | ⊢ 𝐷 ∈ V |
| fvmptmap.3 | ⊢ 𝑅 ∈ V |
| fvmptmap.4 | ⊢ (𝑥 = 𝐴 → 𝐵 = 𝐶) |
| fvmptmap.5 | ⊢ 𝐹 = (𝑥 ∈ (𝑅 ↑m 𝐷) ↦ 𝐵) |
| Ref | Expression |
|---|---|
| fvmptmap | ⊢ (𝐴:𝐷⟶𝑅 → (𝐹‘𝐴) = 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvmptmap.3 | . . 3 ⊢ 𝑅 ∈ V | |
| 2 | fvmptmap.2 | . . 3 ⊢ 𝐷 ∈ V | |
| 3 | 1, 2 | elmap 8930 | . 2 ⊢ (𝐴 ∈ (𝑅 ↑m 𝐷) ↔ 𝐴:𝐷⟶𝑅) |
| 4 | fvmptmap.4 | . . 3 ⊢ (𝑥 = 𝐴 → 𝐵 = 𝐶) | |
| 5 | fvmptmap.5 | . . 3 ⊢ 𝐹 = (𝑥 ∈ (𝑅 ↑m 𝐷) ↦ 𝐵) | |
| 6 | fvmptmap.1 | . . 3 ⊢ 𝐶 ∈ V | |
| 7 | 4, 5, 6 | fvmpt 7019 | . 2 ⊢ (𝐴 ∈ (𝑅 ↑m 𝐷) → (𝐹‘𝐴) = 𝐶) |
| 8 | 3, 7 | sylbir 238 | 1 ⊢ (𝐴:𝐷⟶𝑅 → (𝐹‘𝐴) = 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2147 Vcvv 3454 ↦ cmpt 5190 ⟶wf 6557 ‘cfv 6561 (class class class)co 7446 ↑m cmap 8878 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-pow 5332 ax-pr 5396 ax-un 7778 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5172 df-mpt 5191 df-id 5551 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-fv 6569 df-ov 7449 df-oprab 7450 df-mpo 7451 df-map 8880 |
| This theorem is used by: itg2val 26082 nmopval 32491 nmfnval 32511 eigvecval 32531 eigvalfval 32532 specval 32533 |
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