conclusive presumption

A presumption that cannot be overcome by any additional evidence or argument [it is a conclusive presumption that a child under the age of seven is incapable of committing a felony]. — Also termed absolute presumption; irrebuttable presumption; mandatory presumption; presumption juris et de jure. Cf. rebuttable presumption. [Cases: Constitutional Law 253(5); Evidence 53–89. C.J.S.