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Theorem rnxpss 5170
Description: The range of a cross product is a subclass of the second factor. (Contributed by NM, 16-Jan-2006.) (Proof shortened by Andrew Salmon, 27-Aug-2011.)
Assertion
Ref Expression
rnxpss ran (𝐴 × 𝐵) ⊆ 𝐵

Proof of Theorem rnxpss
StepHypRef Expression
1 df-rn 4738 . 2 ran (𝐴 × 𝐵) = dom (𝐴 × 𝐵)
2 cnvxp 5157 . . . 4 (𝐴 × 𝐵) = (𝐵 × 𝐴)
32dmeqi 4934 . . 3 dom (𝐴 × 𝐵) = dom (𝐵 × 𝐴)
4 dmxpss 5169 . . 3 dom (𝐵 × 𝐴) ⊆ 𝐵
53, 4eqsstri 3258 . 2 dom (𝐴 × 𝐵) ⊆ 𝐵
61, 5eqsstri 3258 1 ran (𝐴 × 𝐵) ⊆ 𝐵
Colors of variables: wff set class
Syntax hints:  wss 3199   × cxp 4725  ccnv 4726  dom cdm 4727  ran crn 4728
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-14 2204  ax-ext 2212  ax-sep 4208  ax-pow 4266  ax-pr 4301
This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-nf 1509  df-sb 1810  df-eu 2081  df-mo 2082  df-clab 2217  df-cleq 2223  df-clel 2226  df-nfc 2362  df-ral 2514  df-rex 2515  df-v 2803  df-un 3203  df-in 3205  df-ss 3212  df-pw 3655  df-sn 3676  df-pr 3677  df-op 3679  df-br 4090  df-opab 4152  df-xp 4733  df-rel 4734  df-cnv 4735  df-dm 4737  df-rn 4738
This theorem is referenced by:  rnxpss2  5172  rnxpid  5173  ssxpbm  5174  ssxp2  5176  ssrnres  5181  funssxp  5506  fconst  5535  dff2  5794  fliftf  5945  tfrcllembfn  6528  frecuzrdgtcl  10680  cnconst2  14986  lmss  14999  exmidsbthrlem  16689
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