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Theorem domentr 6956
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 6927 . 2 (𝐵𝐶𝐵𝐶)
2 domtr 6950 . 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 4083  cen 6898  cdom 6899
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 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-13 2202  ax-14 2203  ax-ext 2211  ax-sep 4202  ax-pow 4259  ax-pr 4294  ax-un 4525
This theorem depends on definitions:  df-bi 117  df-3an 1004  df-tru 1398  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ral 2513  df-rex 2514  df-v 2801  df-un 3201  df-in 3203  df-ss 3210  df-pw 3651  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3889  df-br 4084  df-opab 4146  df-id 4385  df-xp 4726  df-rel 4727  df-cnv 4728  df-co 4729  df-dm 4730  df-rn 4731  df-fun 5323  df-fn 5324  df-f 5325  df-f1 5326  df-f1o 5328  df-en 6901  df-dom 6902
This theorem is referenced by:  xpdom1g  7005  domen2  7017  phplem4dom  7036  phpm  7040  fisbth  7058  infnfi  7070  fientri3  7093  exmidfodomrlemr  7396  exmidfodomrlemrALT  7397  hashennnuni  11018  xpct  12988  umgrislfupgrenlem  15949  lfgrnloopen  15952  pwf1oexmid  16478  sbthom  16508
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