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Mirrors > Home > ILE Home > Th. List > fconst6 | GIF version |
Description: A constant function as a mapping. (Contributed by Jeff Madsen, 30-Nov-2009.) (Revised by Mario Carneiro, 22-Apr-2015.) |
Ref | Expression |
---|---|
fconst6.1 | ⊢ 𝐵 ∈ 𝐶 |
Ref | Expression |
---|---|
fconst6 | ⊢ (𝐴 × {𝐵}):𝐴⟶𝐶 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fconst6.1 | . 2 ⊢ 𝐵 ∈ 𝐶 | |
2 | fconst6g 5105 | . 2 ⊢ (𝐵 ∈ 𝐶 → (𝐴 × {𝐵}):𝐴⟶𝐶) | |
3 | 1, 2 | ax-mp 7 | 1 ⊢ (𝐴 × {𝐵}):𝐴⟶𝐶 |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 1433 {csn 3398 × cxp 4361 ⟶wf 4918 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-sep 3896 ax-pow 3948 ax-pr 3964 |
This theorem depends on definitions: df-bi 115 df-3an 921 df-tru 1287 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ral 2353 df-rex 2354 df-v 2603 df-un 2977 df-in 2979 df-ss 2986 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-br 3786 df-opab 3840 df-mpt 3841 df-id 4048 df-xp 4369 df-rel 4370 df-cnv 4371 df-co 4372 df-dm 4373 df-rn 4374 df-fun 4924 df-fn 4925 df-f 4926 |
This theorem is referenced by: (None) |
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