BT000B

add_mul

Stable ยท empty-context checked

Multiplication distributes over addition on the left.

Exact expanded PA statement

forall n m k. (n + m) * k = n * k + m * k

Structural proof guide

Multiplication distributes over addition on the left.

Direct prerequisites: mul_comm, mul_add. The authored body proceeds by direct introduction and elimination.

Proof neighborhood

Direct dependencies

Direct dependents

Formal native tactic body

Dependencies are hypotheses of this body receipt. The focused endpoint audits separately check the complete empty-context certificates.

  1. 0001intro n
  2. 0002intro m
  3. 0003intro k
  4. 0004simp [mul_comm, mul_add]