Theorem nfofr 6903

Description: Hypothesis builder for function relation. (Contributed by Mario Carneiro, 28-Jul-2014.)

Hypothesis

Ref	Expression
nfof.1	⊢ Ⅎ𝑥𝑅

Assertion

Ref	Expression
nfofr	⊢ Ⅎ𝑥 ∘𝑟 𝑅

Distinct variable group:   𝑥,𝑅

Proof of Theorem nfofr

Step	Hyp	Ref	Expression
1		nfcv 2764	1 ⊢ Ⅎ𝑥 ∘𝑟 𝑅

Syntax hints:  Ⅎwnfc 2751   ∘_𝑟 cofr 6896

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-5 1839

This theorem depends on definitions:  df-bi 197  df-ex 1705  df-nf 1710  df-nfc 2753

This theorem is referenced by: (None)