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Diffstat (limited to 'src/theory/strings/skolem_cache.h')
| -rw-r--r-- | src/theory/strings/skolem_cache.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/theory/strings/skolem_cache.h b/src/theory/strings/skolem_cache.h index 302c69e83..755f70833 100644 --- a/src/theory/strings/skolem_cache.h +++ b/src/theory/strings/skolem_cache.h @@ -138,6 +138,11 @@ class SkolemCache // where b is a regular expression, n is the number of occurrences of b // in a, and k(0)=0. SK_OCCUR_LEN, + // For function k: ((Seq U) x Int) -> U + // exists k. + // forall s, n. + // k(s, n) is some undefined value of sort U + SK_NTH, }; /** * Returns a skolem of type string that is cached for (a,b,id) and has |