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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 7227 | . 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 1538 ∈ wcel 2107 Vcvv 3479 {csn 4632 × cxp 5688 ⟶wf 6562 |
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 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2707 ax-sep 5303 ax-nul 5313 ax-pr 5439 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1541 df-fal 1551 df-ex 1778 df-nf 1782 df-sb 2064 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2728 df-clel 2815 df-nfc 2891 df-ne 2940 df-ral 3061 df-rex 3070 df-rab 3435 df-v 3481 df-sbc 3793 df-csb 3910 df-dif 3967 df-un 3969 df-in 3971 df-ss 3981 df-nul 4341 df-if 4533 df-sn 4633 df-pr 4635 df-op 4639 df-uni 4914 df-br 5150 df-opab 5212 df-mpt 5233 df-id 5584 df-xp 5696 df-rel 5697 df-cnv 5698 df-co 5699 df-dm 5700 df-rn 5701 df-res 5702 df-ima 5703 df-iota 6519 df-fun 6568 df-fn 6569 df-f 6570 df-fv 6574 |
This theorem is referenced by: imadrhmcl 20821 rrxcph 25448 dvcmul 26004 plyeq0 26273 lnon0 30840 hsn0elch 31290 df0op2 31794 nmop0h 32033 xrge0mulc1cn 33915 matunitlindflem1 37615 poimirlem9 37628 poimir 37652 lfl1 39064 lkr0f 39088 lindsrng01 48335 |
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