(calculus, mathematical analysis) Given a real or complex function f, the ratio of the value of the derivative to the value of the function, (f')/f, regarded as a function.

One who applies pseudologic.

Sternotherus minor, native to the southern US, having a head larger in size relative to its body than similar turtles.

Caretta caretta

Tyrannus caudifasciatus

Tachyeres brachypterus, a shellfish-eating duck of the Falkland Islands; a poor diver, incapable of true flight.

(logic) A kind of non-classical propositional calculus whose semantics makes use of more than two truth values.

(fuzzy logic) Any kind of fuzzy logic whose semantics valuates conjunctions by means of t-norms.

plural of loggerhead duck

(mathematics) The logarithm in base 10.