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Definition df-ple 15730
Description: Define less-than-or-equal ordering extractor for posets and related structures. We use 10 for the index to avoid conflict with 1 through 9 used for other purposes. (Contributed by NM, 4-Sep-2011.) (Revised by Mario Carneiro, 14-Aug-2015.) (Revised by AV, 9-Sep-2021.)
Assertion
Ref Expression
df-ple le = Slot 10

Detailed syntax breakdown of Definition df-ple
StepHypRef Expression
1 cple 15717 . 2 class le
2 c1 9789 . . . 4 class 1
3 cc0 9788 . . . 4 class 0
42, 3cdc 11321 . . 3 class 10
54cslot 15636 . 2 class Slot 10
61, 5wceq 1474 1 wff le = Slot 10
Colors of variables: wff setvar class
This definition is referenced by:  dfpleOLD  15731  plendx  15812  pleid  15814  ressle  15824  0pos  16719  isposix  16722  oppgle  28786
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