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-rw-r--r--src/expr/proof_rule.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/expr/proof_rule.h b/src/expr/proof_rule.h
index 340b636ae..4000d4df7 100644
--- a/src/expr/proof_rule.h
+++ b/src/expr/proof_rule.h
@@ -234,11 +234,14 @@ enum class PfRule : uint32_t
// a witness term (witness ((x T)) (P x)).
WITNESS_AXIOM,
// where F is an equality (= t t') that holds by a form of rewriting that
- // could not be replayed.
+ // could not be replayed during proof postprocessing.
TRUST_REWRITE,
// where F is an equality (= t t') that holds by a form of substitution that
- // could not be replayed.
+ // could not be replayed during proof postprocessing.
TRUST_SUBS,
+ // where F is an equality (= t t') that holds by a form of substitution that
+ // could not be determined by the TrustSubstitutionMap.
+ TRUST_SUBS_MAP,
//================================================= Boolean rules
// ======== Resolution
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