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• Semantics

Tree-list-list-match-alternation-p

Semantics of alternations.

Signature

(tree-list-list-match-alternation-p treess alternation rules) 
  → 
yes/no

Arguments

treess — Guard (tree-list-listp treess).

alternation — Guard (alternationp alternation).

rules — Guard (rulelistp rules).

Returns

yes/no — Type (booleanp yes/no).

A list of lists of trees matches an alternation iff it matches one of its concatenations.

Function: tree-list-list-match-alternation-p

(defun tree-list-list-match-alternation-p (treess alternation rules)
 (declare (xargs :guard (and (tree-list-listp treess)
                             (alternationp alternation)
                             (rulelistp rules))))
 (and
  (consp alternation)
  (or (tree-list-list-match-concatenation-p treess (car alternation)
                                            rules)
      (tree-list-list-match-alternation-p treess (cdr alternation)
                                          rules))))

Subtopics

Tree-list-list-match-alternation-p-of-cons-alternation

Tree-list-list-match-alternation-p-when-atom-alternation