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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 5569 | . 2 ⊢ (𝐵 ∈ 𝐶 → (𝐴 × {𝐵}):𝐴⟶{𝐵}) | |
| 2 | snssi 3843 | . 2 ⊢ (𝐵 ∈ 𝐶 → {𝐵} ⊆ 𝐶) | |
| 3 | fss 5526 | . 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 2205 ⊆ wss 3214 {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: fconst6 5572 map0g 6935 fdiagfn 6940 mapsncnv 6943 ctm 7413 pwsdiagel 13594 pwsmnd 13747 pws0g 13748 0mhm 13783 pwsgrp 13908 pwsinvg 13909 psr0cl 14948 lmconst 15193 cnconst2 15210 dvconst 15671 dvconstre 15673 dvconstss 15675 |
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