Centuries: 16th century - 17th century - 18th century
Decades: 1570s 1580s 1590s 1600s 1610s - 1620s - 1630s - 1640s 1650s 1660s 1670s
Years: 1619 1620 1621 1622 1623 - 1624 - 1625 1626 1627 1628 1629
... rather than interpreted as is traditional for logic languages, it has a sophisticated, strict type and mode system which, when combined with the abstract nature of logic ...
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