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Theorem rnxp 5994
Description: The range of a Cartesian product. Part of Theorem 3.13(x) of [Monk1] p. 37. (Contributed by NM, 12-Apr-2004.)
Assertion
Ref Expression
rnxp (𝐴 ≠ ∅ → ran (𝐴 × 𝐵) = 𝐵)

Proof of Theorem rnxp
StepHypRef Expression
1 df-rn 5530 . . 3 ran (𝐴 × 𝐵) = dom (𝐴 × 𝐵)
2 cnvxp 5981 . . . 4 (𝐴 × 𝐵) = (𝐵 × 𝐴)
32dmeqi 5737 . . 3 dom (𝐴 × 𝐵) = dom (𝐵 × 𝐴)
41, 3eqtri 2821 . 2 ran (𝐴 × 𝐵) = dom (𝐵 × 𝐴)
5 dmxp 5763 . 2 (𝐴 ≠ ∅ → dom (𝐵 × 𝐴) = 𝐵)
64, 5syl5eq 2845 1 (𝐴 ≠ ∅ → ran (𝐴 × 𝐵) = 𝐵)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1538  wne 2987  c0 4243   × cxp 5517  ccnv 5518  dom cdm 5519  ran crn 5520
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2770  ax-sep 5167  ax-nul 5174  ax-pr 5295
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2598  df-eu 2629  df-clab 2777  df-cleq 2791  df-clel 2870  df-nfc 2938  df-ne 2988  df-ral 3111  df-v 3443  df-dif 3884  df-un 3886  df-in 3888  df-ss 3898  df-nul 4244  df-if 4426  df-sn 4526  df-pr 4528  df-op 4532  df-br 5031  df-opab 5093  df-xp 5525  df-rel 5526  df-cnv 5527  df-dm 5529  df-rn 5530
This theorem is referenced by:  rnxpid  5997  ssxpb  5998  xpima  6006  unixp  6101  fconst5  6945  rnmptc  6946  xpexr  7605  xpexr2  7606  fparlem3  7792  fparlem4  7793  frxp  7803  fodomr  8652  djuexb  9322  dfac5lem3  9536  fpwwe2lem13  10053  vdwlem8  16314  ramz  16351  gsumxp  19089  xkoccn  22224  txindislem  22238  cnextf  22671  metustexhalf  23163  ovolctb  24094  axlowdimlem13  26748  axlowdim1  26753  imadifxp  30364  sibf0  31702  ovoliunnfl  35099  voliunnfl  35101
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