Theorem fconst2 6726

Description: A constant function expressed as a Cartesian product. (Contributed by NM, 20-Aug-1999.)

Hypothesis

Ref	Expression
fvconst2.1	⊢ 𝐵 ∈ V

Assertion

Ref	Expression
fconst2	⊢ (𝐹:𝐴⟶{𝐵} ↔ 𝐹 = (𝐴 × {𝐵}))

Proof of Theorem fconst2

Step	Hyp	Ref	Expression
1		fvconst2.1	. 2 ⊢ 𝐵 ∈ V
2		fconst2g 6724	. 2 ⊢ (𝐵 ∈ V → (𝐹:𝐴⟶{𝐵} ↔ 𝐹 = (𝐴 × {𝐵})))
3	1, 2	ax-mp 5	1 ⊢ (𝐹:𝐴⟶{𝐵} ↔ 𝐹 = (𝐴 × {𝐵}))

Syntax hints:   ↔ wb 198   = wceq 1658   ∈ wcel 2166  Vcvv 3414  {csn 4397   × cxp 5340  ⟶wf 6119

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1896  ax-4 1910  ax-5 2011  ax-6 2077  ax-7 2114  ax-8 2168  ax-9 2175  ax-10 2194  ax-11 2209  ax-12 2222  ax-13 2391  ax-ext 2803  ax-sep 5005  ax-nul 5013  ax-pow 5065  ax-pr 5127

This theorem depends on definitions:  df-bi 199  df-an 387  df-or 881  df-3an 1115  df-tru 1662  df-ex 1881  df-nf 1885  df-sb 2070  df-mo 2605  df-eu 2640  df-clab 2812  df-cleq 2818  df-clel 2821  df-nfc 2958  df-ne 3000  df-ral 3122  df-rex 3123  df-rab 3126  df-v 3416  df-sbc 3663  df-csb 3758  df-dif 3801  df-un 3803  df-in 3805  df-ss 3812  df-nul 4145  df-if 4307  df-sn 4398  df-pr 4400  df-op 4404  df-uni 4659  df-br 4874  df-opab 4936  df-mpt 4953  df-id 5250  df-xp 5348  df-rel 5349  df-cnv 5350  df-co 5351  df-dm 5352  df-rn 5353  df-res 5354  df-ima 5355  df-iota 6086  df-fun 6125  df-fn 6126  df-f 6127  df-fv 6131

This theorem is referenced by:  rrxcph  23560  dvcmul  24106  plyeq0  24366  lnon0  28208  hsn0elch  28660  df0op2  29166  nmop0h  29405  xrge0mulc1cn  30532  matunitlindflem1  33949  poimirlem9  33962  poimir  33986  lfl1  35145  lkr0f  35169  lindsrng01  43104