Section 90.301 - Presumption defined; inferences(1) For the purposes of this chapter, a presumption is an assumption of fact which the law makes from the existence of another fact or group of facts found or otherwise established.(2) Except for presumptions that are conclusive under the law from which they arise, a presumption is rebuttable.(3) Nothing in this chapter shall prevent the drawing of an inference that is appropriate.(4) Sections 90.301 - 90.304 are applicable only in civil actions or proceedings.s. 1, ch. 76-237; s. 1, ch. 77-77; ss. 5, 22, ch. 78-361; ss. 1, 2, ch. 78-379.