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Mirrors > Home > MPE Home > Th. List > fconst2 | Structured version Visualization version GIF version |
Description: A constant function expressed as a Cartesian product. (Contributed by NM, 20-Aug-1999.) |
Ref | Expression |
---|---|
fvconst2.1 | ⊢ 𝐵 ∈ V |
Ref | Expression |
---|---|
fconst2 | ⊢ (𝐹:𝐴⟶{𝐵} ↔ 𝐹 = (𝐴 × {𝐵})) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fvconst2.1 | . 2 ⊢ 𝐵 ∈ V | |
2 | fconst2g 7240 | . 2 ⊢ (𝐵 ∈ V → (𝐹:𝐴⟶{𝐵} ↔ 𝐹 = (𝐴 × {𝐵}))) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐹:𝐴⟶{𝐵} ↔ 𝐹 = (𝐴 × {𝐵})) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 206 = wceq 1537 ∈ wcel 2108 Vcvv 3488 {csn 4648 × cxp 5698 ⟶wf 6569 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2158 ax-12 2178 ax-ext 2711 ax-sep 5317 ax-nul 5324 ax-pr 5447 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2065 df-mo 2543 df-eu 2572 df-clab 2718 df-cleq 2732 df-clel 2819 df-nfc 2895 df-ne 2947 df-ral 3068 df-rex 3077 df-rab 3444 df-v 3490 df-sbc 3805 df-csb 3922 df-dif 3979 df-un 3981 df-in 3983 df-ss 3993 df-nul 4353 df-if 4549 df-sn 4649 df-pr 4651 df-op 4655 df-uni 4932 df-br 5167 df-opab 5229 df-mpt 5250 df-id 5593 df-xp 5706 df-rel 5707 df-cnv 5708 df-co 5709 df-dm 5710 df-rn 5711 df-res 5712 df-ima 5713 df-iota 6525 df-fun 6575 df-fn 6576 df-f 6577 df-fv 6581 |
This theorem is referenced by: imadrhmcl 20820 rrxcph 25445 dvcmul 26001 plyeq0 26270 lnon0 30830 hsn0elch 31280 df0op2 31784 nmop0h 32023 xrge0mulc1cn 33887 matunitlindflem1 37576 poimirlem9 37589 poimir 37613 lfl1 39026 lkr0f 39050 lindsrng01 48197 |
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