Mathematical logic step by step online
https://calculator-online.org/mathlogicMathematical logic step by step. Use symbolic logic and logic algebra. Place brackets in expressions, given the priority of operations. Simplify logical expressions. Build a truth table for the formulas entered. Conjunctive normal form (CNF), including perfect. Disjunctive normal form (DNF), including perfect.
Truth Tree Solver - formallogic.com
www.formallogic.com/en/truth-tree-solverTruth Tree Solver. Write a symbolic sentence in the text field below. You may add any letters with your keyboard and add special characters using the appropriate buttons. When your sentence is ready, click the "Add sentence" button to add this sentence to your set. You may add additional sentences to your set by repeating this step.
Proof Checker
https://proof-checker.orgThis site based on the Open Logic Project proof checker.. Modifications by students and faculty at Cal. State University, Monterey Bay. See Credits. for details ...
Symbolic Logic Problems - Juniata College
jcsites.juniata.edu/faculty/wang/logic/sec03.pdf98 Symbolic Logic Study Guide: Practice Tests and Quizzes Problem 3. Translate the following English sentences into the formal language of the Tarski's World (50 points). (1) Either a is smaller than b or both a and b are larger than c. (2) a and b are both in front of c; moreover, both are smaller than it. (3) c is neither between a and b, nor in front of either of them.