abre1 - Linear Logic Proof Explorer

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Theorem abre1 236

Description: Proper substitution into the left side of ≫.

**Assertion**
Ref	Expression
abre1	⊦ ([x ≪ y] νa𝜑 ⧟ [a ≔ x] [a ≪ y] νa𝜑)

Distinct variable groups: a,x a,y

**Proof of Theorem abre1**
Step	Hyp	Ref	Expression

Colors of variables: wff var nilad

Syntax hints: ⧟ wlb 55 nvar 203 [wse 204 νwnu 206 [wsub 207

WARNING: This theorem has an incomplete proof.

This theorem is referenced by: (None)