HomeHome Metamath Proof Explorer < Previous   Next >
Related theorems
Unicode version

Theorem ordelpss 2965
Description: Corollary 7.8 of [TakeutiZaring] p. 37.
Assertion
Ref Expression
ordelpss |- ((Ord A /\ Ord B) -> (A e. B <-> A (. B))

Proof of Theorem ordelpss
StepHypRef Expression
1 ordelssne 2964 . 2 |- ((Ord A /\ Ord B) -> (A e. B <-> (A (_ B /\ A =/= B)))
2 df-pss 2045 . 2 |- (A (. B <-> (A (_ B /\ A =/= B))
31, 2syl6bbr 536 1 |- ((Ord A /\ Ord B) -> (A e. B <-> A (. B))
Colors of variables: wff set class
Syntax hints:   -> wi 3   <-> wb 146   /\ wa 223   e. wcel 955   =/= wne 1577   (_ wss 2037   (. wpss 2038  Ord word 2937
This theorem is referenced by:  php4 4496  nndomo 4500  omsucdom 4502  cardnn 4796
This theorem was proved from axioms:  ax-1 4  ax-2 5  ax-3 6  ax-mp 7  ax-7 959  ax-gen 960  ax-8 961  ax-10 963  ax-11 964  ax-12 965  ax-13 966  ax-14 967  ax-17 968  ax-4 970  ax-5o 972  ax-6o 975  ax-9o 1119  ax-10o 1136  ax-16 1206  ax-11o 1213  ax-ext 1452  ax-sep 2693  ax-pow 2732  ax-pr 2769
This theorem depends on definitions:  df-bi 147  df-or 224  df-an 225  df-3or 774  df-3an 775  df-ex 978  df-sb 1168  df-eu 1375  df-mo 1376  df-clab 1457  df-cleq 1462  df-clel 1465  df-ne 1579  df-ral 1641  df-rex 1642  df-v 1803  df-dif 2039  df-un 2040  df-in 2041  df-ss 2043  df-pss 2045  df-nul 2271  df-pw 2392  df-sn 2402  df-pr 2403  df-op 2406  df-uni 2494  df-br 2610  df-opab 2657  df-tr 2671  df-eprel 2821  df-po 2831  df-so 2841  df-fr 2907  df-we 2924  df-ord 2941
Copyright terms: Public domain