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Theorem du-kinra 488
Description: {du} is reflexive over any domain. (Contributed by la korvo, 25-Jun-2024.)
Assertion
Ref Expression
du-kinra1 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 220 . 2da du da
21refl-kinra 487 11 ka ce'u du ce'u kei kinra ko'e
Colors of variables: sumti selbri bridi
Syntax hints:  du sbdu 214
This theorem was proved from axioms:  ax-mp 10  ax-k 11  ax-s 15  ax-ge-le 43  ax-ge-re 44  ax-ge-in 45  ax-gen1 193  ax-gen2 195  ax-qi2 204
This theorem depends on definitions:  df-go 61  df-o 167  df-du 215  df-ckini 312  df-poi-ro 414  df-kinra 485
This theorem is referenced by: (None)
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