Constraints induced by a terminated tree that matches
Theorem:
(defthm constraints-from-tree-match-case-insensitive-string (implies (and (tree-match-element-p tree (element-rulename *case-insensitive-string*) *grammar*) (tree-terminatedp tree)) (or (equal (car (tree->string tree)) (char-code #\")) (and (equal (car (tree->string tree)) (char-code #\%)) (member-equal (cadr (tree->string tree)) (chars=>nats '(#\I #\i)))))) :rule-classes nil)