Origin of valid
Examples from the Web for validly
It is difficult to see how they can be validly inferred; thus we are left with the alternative that they must be constructed.
But it can do this validly only if M, its middle term, remains immutably itself, and is the same in both premisses.
Thus we shall have to amend our definition by saying that knowledge is what is validly deduced from known premisses.
But are we to say that nothing is knowledge except what is validly deduced from true premisses?
The Chamber of Deputies may not validly deliberate unless at least two-thirds of its Members are present at the deliberation.Secret History of the English Occupation of Egypt|Wilfrid Scawen Blunt
- having legal force; effective
- having legal authority; binding
Word Origin for valid
1570s, "having force in law, legally binding," from Middle French valide, from Latin validus "strong, effective," from valere "be strong" (see valiant). The meaning "supported by facts or authority" is first recorded 1640s.