What is the best statement for C2? P1.  Either cardio or wei…

What is the best statement for C2? P1.  Either cardio or weight-training increases limb strength. P2. _____________________________________________________ C1. Cardio increases limb strength.  (disjunctive syllogism P1, P2) P3. If breathing does not increase limb strength, then cardio does not increase limb strength. ∴C2. _____________________________________________________(modus tollens C1, P3)