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Theorem domentr 7008
Description: Transitivity of dominance and equinumerosity. (Contributed by NM, 7-Jun-1998.)
Assertion
Ref Expression
domentr ((𝐴𝐵𝐵𝐶) → 𝐴𝐶)

Proof of Theorem domentr
StepHypRef Expression
1 endom 6979 . 2 (𝐵𝐶𝐵𝐶)
2 domtr 7002 . 2 ((𝐴𝐵𝐵𝐶) → 𝐴𝐶)
31, 2sylan2 286 1 ((𝐴𝐵𝐵𝐶) → 𝐴𝐶)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104   class class class wbr 4093  cen 6950  cdom 6951
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2204  ax-14 2205  ax-ext 2213  ax-sep 4212  ax-pow 4270  ax-pr 4305  ax-un 4536
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-ral 2516  df-rex 2517  df-v 2805  df-un 3205  df-in 3207  df-ss 3214  df-pw 3658  df-sn 3679  df-pr 3680  df-op 3682  df-uni 3899  df-br 4094  df-opab 4156  df-id 4396  df-xp 4737  df-rel 4738  df-cnv 4739  df-co 4740  df-dm 4741  df-rn 4742  df-fun 5335  df-fn 5336  df-f 5337  df-f1 5338  df-f1o 5340  df-en 6953  df-dom 6954
This theorem is referenced by:  xpdom1g  7060  domen2  7072  phplem4dom  7091  phpm  7095  fisbth  7115  infnfi  7127  fientri3  7150  exmidfodomrlemr  7456  exmidfodomrlemrALT  7457  hashennnuni  11085  xpct  13078  umgrislfupgrenlem  16051  lfgrnloopen  16054  pwf1oexmid  16701  sbthom  16734
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