SOLUTION: INSTRUCTIONS: Construct a regular proof to derive the conclusion of the following argument: 1. (A & U)

SOLUTION: INSTRUCTIONS: Construct a regular proof to derive the conclusion of the following argument: 1. (A & U) < > ~R 2. ~(~R v ~A) / ~U

Algebra.Com
Eval error:

ModPerl::Util::exit: (120000) exit was called at /home/ichudov/project_locations/algebra.com/templates/Algebra/Questions/MoreLikeThis.pm line 159