Deductive reasoning is the process of logically deducing a conclusion from a set of statements known as premises. In such a deduction, one assumes the premises and deduces logically what would follow.  A rule of Deductive reasoning is that if the premises of a deductive argument are true, then the conclusion must be true, that is if the argument has a valid form.
P1: If it rains the ground will be wet
P2: It rains
C: Therefore the ground is wet
- ↑ factcouraud. (2007, May 22). Inductive and Deductive Reasoning. Retrieved February 22, 2017, from Free Online Course Materials — USU OpenCourseWare Web site: http://ocw.usu.edu/English/introduction-to-writing-academic-prose/inductive-and-deductive-reasoning.html.