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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 5571 | . 2 ⊢ (𝐵 ∈ 𝐶 → (𝐴 × {𝐵}):𝐴⟶𝐶) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐴 × {𝐵}):𝐴⟶𝐶 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2205 {csn 3694 × cxp 4752 ⟶wf 5353 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-v 2817 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-br 4115 df-opab 4177 df-mpt 4178 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-fun 5359 df-fn 5360 df-f 5361 |
| This theorem is referenced by: 0ct 7411 ctm 7413 infnninfOLD 7429 exmidomni 7446 ofnegsub 9253 0nninf 16894 exmidsbthrlem 16914 |
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