naari - brismu bridi

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Theorem naari 81

Description: Reverse inference form of df-na.a 78 (Contributed by la korvo, 17-Aug-2023.)

**Hypothesis**
Ref	Expression
naari.0	⊢ ganai ko'a bo'a gi ko'e bo'a

**Assertion**
Ref	Expression
naari	⊢ ko'a na.a ko'e bo'a

**Proof of Theorem naari**
Step	Hyp	Ref	Expression
1		naari.0	. 2 ⊢ ganai ko'a bo'a gi ko'e bo'a
2		df-na.a 78	. 2 ⊢ go ko'a na.a ko'e bo'a gi ganai ko'a bo'a gi ko'e bo'a
3	1, 2	bi-rev 70	1 ⊢ ko'a na.a ko'e bo'a

Colors of variables: sumti selbri bridi

Syntax hints: btb 3 ganai bgan 9 na.a sjnaa 77

This theorem was proved from axioms: ax-mp 10 ax-k 11 ax-s 14 ax-ge-le 34 ax-ge-re 35 ax-ge-in 36

This theorem depends on definitions: df-go 52 df-na.a 78

This theorem is referenced by: na.a-refl 82 gripauris 263