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Theorem du-kinra 543
Description: {du} is reflexive over any domain. (Contributed by la korvo, 25-Jun-2024.)
Assertion
Ref Expression
du-kinrapa ka ce'u du ce'u kei kinra ko'e

Proof of Theorem du-kinra
Dummy variable da is distinct from all other variables.
StepHypRef Expression
1 du-refl 256 . 2da du da
21refl-kinra 542 1pa ka ce'u du ce'u kei kinra ko'e
Colors of variables: sumti selbri bridi
Syntax hints:   du sbdu 250
This theorem was proved from axioms:  ax-mp 10  ax-k 11  ax-s 15  ax-ge-le 48  ax-ge-re 49  ax-ge-in 50  ax-gen1 224  ax-gen2 227  ax-qi2 239
This theorem depends on definitions:  df-go 83  df-o 198  df-du 251  df-ckini 349  df-poi-ro 465  df-kinra 540
This theorem is referenced by: (None)
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