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Definition df-ord 4886
Description: Define the ordinal predicate, which is true for a class that is transitive and is well-ordered by the epsilon relation. Variant of definition of [BellMachover] p. 468. (Contributed by NM, 17-Sep-1993.)
Assertion
Ref Expression
df-ord

Detailed syntax breakdown of Definition df-ord
StepHypRef Expression
1 cA . . 3
21word 4882 . 2
31wtr 4545 . . 3
4 cep 4794 . . . 4
51, 4wwe 4842 . . 3
63, 5wa 369 . 2
72, 6wb 184 1
Colors of variables: wff setvar class
This definition is referenced by:  ordeq  4890  ordwe  4896  ordtr  4897  trssord  4900  ordelord  4905  ord0  4935  ordon  6618  dford2  8058  smobeth  8982  gruina  9217  dford5reg  29214  dfon2  29224
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