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| Mirrors > Home > ILE Home > Th. List > fconst6g | GIF version | ||
| Description: Constant function with loose range. (Contributed by Stefan O'Rear, 1-Feb-2015.) |
| Ref | Expression |
|---|---|
| fconst6g | ⊢ (𝐵 ∈ 𝐶 → (𝐴 × {𝐵}):𝐴⟶𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fconstg 5524 | . 2 ⊢ (𝐵 ∈ 𝐶 → (𝐴 × {𝐵}):𝐴⟶{𝐵}) | |
| 2 | snssi 3812 | . 2 ⊢ (𝐵 ∈ 𝐶 → {𝐵} ⊆ 𝐶) | |
| 3 | fss 5485 | . 2 ⊢ (((𝐴 × {𝐵}):𝐴⟶{𝐵} ∧ {𝐵} ⊆ 𝐶) → (𝐴 × {𝐵}):𝐴⟶𝐶) | |
| 4 | 1, 2, 3 | syl2anc 411 | 1 ⊢ (𝐵 ∈ 𝐶 → (𝐴 × {𝐵}):𝐴⟶𝐶) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2200 ⊆ wss 3197 {csn 3666 × cxp 4717 ⟶wf 5314 |
| 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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2801 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-br 4084 df-opab 4146 df-mpt 4147 df-id 4384 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-rn 4730 df-fun 5320 df-fn 5321 df-f 5322 |
| This theorem is referenced by: fconst6 5527 map0g 6843 fdiagfn 6847 mapsncnv 6850 ctm 7284 pwsdiagel 13338 pwsmnd 13491 pws0g 13492 0mhm 13527 pwsgrp 13652 pwsinvg 13653 psr0cl 14653 lmconst 14898 cnconst2 14915 dvconst 15376 dvconstre 15378 dvconstss 15380 |
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