Enter details about some birth.time:

Fill the "relation: object" pairs you wish, then submit. You may add new pairs in the large text edit. For each object, you may specify intervals, collections, quantifiers and relations. The sub-menus '+' proposes relations. Object examples are given, prefixed by "//". Click here for details.

time  of:	+	duration  of:	+
inferior_to:	+	inferior_to  of:	+
inferior_or_equal_to:	+	inferior_or_equal_to  of:	+

birth.time  of:	+

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