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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 7201 | . 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 |
| This proof depends on syntax axioms: ↔ wb 209 = wceq 1570 ∈ wcel 2145 Vcvv 3451 {csn 4584 × cxp 5649 ⟶wf 6527 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pr 5391 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-fv 6539 |
| This theorem is used by: imadrhmcl 21034 matunitlindflem1 22974 rrxcph 25693 dvcmul 26244 plyeq0 26510 rnplynfin 26612 lnon0 31382 hsn0elch 31832 df0op2 32336 nmop0h 32575 xrge0mulc1cn 34555 poimirlem9 38515 poimir 38539 lfl1 40095 lkr0f 40119 lindsrng01 49524 functermc 50560 |
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