ceihi - brismu bridi

	brismu bridi		< Previous Next > Nearby theorems
Mirrors > Home > Home > Th. List > ceihi

Theorem ceihi 179

Description: {cei'i} is always true. (Contributed by la korvo, 18-Jul-2023.)

**Assertion**
Ref	Expression
ceihi	⊢ cei'i

**Proof of Theorem ceihi**
Step	Hyp	Ref	Expression
1		du-refl 171	. 2 ⊢ ko'a du ko'a
2		df-ceihi 178	. 2 ⊢ go cei'i gi ko'a du ko'a
3	1, 2	bi-rev 67	1 ⊢ cei'i

Colors of variables: sumti selbri bridi

Syntax hints: du sbdu 166 cei'i bceihi 177

This theorem was proved from axioms: ax-mp 9 ax-k 10 ax-s 13 ax-ge-le 33 ax-ge-re 34 ax-ge-in 35 ax-du-refl 170

This theorem depends on definitions: df-go 49 df-ceihi 178

This theorem is referenced by: fatci-ceihi 310