abf - Linear Logic Proof Explorer

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Theorem abf 237

Description: Proper substitution into an expression free of that variable.

**Assertion**
Ref	Expression
abf	⊦ (νxνa𝜑 ⧟ [a ≔ x] νxνa𝜑)

Distinct variable group: a,x

**Proof of Theorem abf**
Step	Hyp	Ref	Expression

Colors of variables: wff var nilad

Syntax hints: ⧟ wlb 55 nvar 203 νwnu 206 [wsub 207

WARNING: This theorem has an incomplete proof.

This theorem is referenced by: (None)