PA0023

mod_eq_refl

Stable checked-use theorem · independently closed

Balanced natural congruence is reflexive.

Exact expanded PA statement

forall m a. exists u v. a + m * u = a + m * v

Structural proof guide

Generated structural guide

Balanced natural congruence is reflexive.

This root lemma is proved directly from the PA rules and the hypotheses introduced by its statement.

The proof proceeds by direct introduction and elimination.

Referenced ingredients

none

Proof neighborhood

Direct dependencies

none

Direct dependents

Formal native tactic body

Dependencies are introduced as named hypotheses before line 1. Linked names are exact direct references. This Stable checked-use theorem is independently kernel-checked when replayed.

  1. 0001intro m
  2. 0002intro a
  3. 0003exists 0
  4. 0004exists 0
  5. 0005refl