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authorAndrew Reynolds <andrew.j.reynolds@gmail.com>2020-07-14 11:30:47 -0500
committerGitHub <noreply@github.com>2020-07-14 11:30:47 -0500
commitc6e3264f83df54a886b28c14e2a911c176d89551 (patch)
treeb4f6ca2f4c1cedf6752dbcc90cc1eec1543011df /src/expr/proof_rule.h
parentc13527bfa6b47ff4675b429b5e7bb7c6f43ff595 (diff)
(proof-new) Skeleton proof support in the Rewriter (#4730)
This adds support for skeleton proofs in the rewriter (REWRITE -> THEORY_REWRITE). It adds "extended equality rewrite" as a new method of the rewriter/theory rewriters. The unit test of this feature should be added on a followup PR. Co-authored-by: Andres Noetzli <andres.noetzli@gmail.com>
Diffstat (limited to 'src/expr/proof_rule.h')
-rw-r--r--src/expr/proof_rule.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/expr/proof_rule.h b/src/expr/proof_rule.h
index 87e8565ca..e7464dd24 100644
--- a/src/expr/proof_rule.h
+++ b/src/expr/proof_rule.h
@@ -163,6 +163,15 @@ enum class PfRule : uint32_t
// Notice that we apply rewriting on the witness form of F and G, similar to
// MACRO_SR_PRED_INTRO.
MACRO_SR_PRED_TRANSFORM,
+ // ======== Theory Rewrite
+ // Children: none
+ // Arguments: (t, preRewrite?)
+ // ----------------------------------------
+ // Conclusion: (= t t')
+ // where
+ // t' is the result of applying either a pre-rewrite or a post-rewrite step
+ // to t (depending on the second argument).
+ THEORY_REWRITE,
//================================================= Processing rules
// ======== Preprocess
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