Here is a chart that summarizes the shorter truth table methods for validity, consistency, and equivalence, taught in Intermediate Logic Lessons 8 through 11.
Here is a chart that summarizes the shorter truth table methods for validity, consistency, and equivalence, taught in Intermediate Logic Lessons 8 through 11.
Try this link to if it will help her
http://logiccurriculum.com/2015/02/19/guessing-shorter-truth-tables/#more-197