du-refl - brismu bridi

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Theorem du-refl 256

Description: {du} is reflexive. (Contributed by la korvo, 16-Aug-2023.) (Shortened by la korvo, 23-Jun-2024.)

**Assertion**
Ref	Expression
du-refl	⊢ ko'a du ko'a

Proof of Theorem du-refl Dummy variable bu'a is distinct from all other variables.

Step	Hyp	Ref	Expression
1		go-id 95	. 2 ⊢ go ko'a bu'a gi ko'a bu'a
2	1	duris 255	1 ⊢ ko'a du ko'a

Colors of variables: sumti selbri bridi

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-gen2 227 ax-qi2 239

This theorem depends on definitions: df-go 83 df-o 198 df-du 251

This theorem is referenced by: du-sym-ganai 260 ceihi 268 ce-left 412 ce-right 413 subid 452 zilcmi-nomei 461 du-kinra 543