nfv - brismu bridi

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Theorem nfv 445

Description: If a variable does not occur in a bridi, then it is neither free nor bound in that bridi. (Contributed by la korvo, 3-Jan-2025.)

**Assertion**
Ref	Expression
nfv	⊢ na'a'u da zo'u broda

Distinct variable group: broda , da

**Proof of Theorem nfv**
Step	Hyp	Ref	Expression
1		ax-dgen1 444	. 2 ⊢ ganai broda gi ro da zo'u broda
2	1	nfi 437	1 ⊢ na'a'u da zo'u broda

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-gen1 224 ax-dgen1 444

This theorem depends on definitions: df-go 83 df-nahahu 435

This theorem is referenced by: (None)