11. Except for negation and biconditional, its truth tables are all different from the above. 12. One of the easiest ways is to simply have a memory containing a truth table . 13. Their values for various truth-values as argument are usually given by truth tables . 14. The T-schema interprets the logical connectives using truth tables , as discussed above. 15. This has a truth table like this: 16. A truth table has the variables on one side and the expression on the other. 17. Demonstrating the logical implication simply translates into verifying that the compound truth table produces a tautology. 18. The more common method is to use the definition of the NAND from the truth table . 19. Reduction to normal form is relatively simple once a truth table for the formula is prepared. 20. They have the following truth tables :
