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Definition df-sdom 8126
Description: Define the strict dominance relation. Alternate possible definitions are derived as brsdom 8146 and brsdom2 8251. Definition 3 of [Suppes] p. 97. (Contributed by NM, 31-Mar-1998.)
Assertion
Ref Expression
df-sdom ≺ = ( ≼ ∖ ≈ )

Detailed syntax breakdown of Definition df-sdom
StepHypRef Expression
1 csdm 8122 . 2 class
2 cdom 8121 . . 3 class
3 cen 8120 . . 3 class
42, 3cdif 3712 . 2 class ( ≼ ∖ ≈ )
51, 4wceq 1632 1 wff ≺ = ( ≼ ∖ ≈ )
Colors of variables: wff setvar class
This definition is referenced by:  relsdom  8130  brsdom  8146  dfdom2  8149  dfsdom2  8250
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