Alternative form of rotproof

plural of proof by example

plural of proof by contradiction

A legal requirement to achieve an impossible proof. Remedies are reversing the burden of proof, or giving additional rights to the individual faced with this requirement.

(logic) A proof showing that if an assumption A is true then a consequent statement or conclusion B must also be true, i.e. B is true on the condition that A is true.

Capable of surviving changes made in the future; not liable to become outdated.

(transitive) To make ready to meet potential future requirements, or make use of potential future opportunities.

(distilleries) A certain degree of strength in alcoholic liquor, as formerly ascertained by the floating or sinking of glass globules of different specific gravities thrown into it, and later by more accurate meters.

Overproof; containing more alcohol than proof spirit.

(firearms) A charge of powder and ball, greater than the service charge, fired in an arm, as a gun or cannon, to test its strength.