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| Mirrors > Home > ILE Home > Th. List > fvconst2 | GIF version | ||
| Description: The value of a constant function. (Contributed by NM, 16-Apr-2005.) |
| Ref | Expression |
|---|---|
| fvconst2.1 | ⊢ 𝐵 ∈ V |
| Ref | Expression |
|---|---|
| fvconst2 | ⊢ (𝐶 ∈ 𝐴 → ((𝐴 × {𝐵})‘𝐶) = 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvconst2.1 | . 2 ⊢ 𝐵 ∈ V | |
| 2 | fvconst2g 5779 | . 2 ⊢ ((𝐵 ∈ V ∧ 𝐶 ∈ 𝐴) → ((𝐴 × {𝐵})‘𝐶) = 𝐵) | |
| 3 | 1, 2 | mpan 424 | 1 ⊢ (𝐶 ∈ 𝐴 → ((𝐴 × {𝐵})‘𝐶) = 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1364 ∈ wcel 2167 Vcvv 2763 {csn 3623 × cxp 4662 ‘cfv 5259 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-14 2170 ax-ext 2178 ax-sep 4152 ax-pow 4208 ax-pr 4243 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-v 2765 df-sbc 2990 df-un 3161 df-in 3163 df-ss 3170 df-pw 3608 df-sn 3629 df-pr 3630 df-op 3632 df-uni 3841 df-br 4035 df-opab 4096 df-mpt 4097 df-id 4329 df-xp 4670 df-rel 4671 df-cnv 4672 df-co 4673 df-dm 4674 df-rn 4675 df-iota 5220 df-fun 5261 df-fn 5262 df-f 5263 df-fv 5267 |
| This theorem is referenced by: ovconst2 6079 mapsncnv 6763 0ct 7182 infnninfOLD 7200 exmidomni 7217 ser0f 10643 fser0const 10644 iserge0 11525 sum0 11570 isumz 11571 prodf1f 11725 fprodntrivap 11766 prod1dc 11768 0nninf 15735 |
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