Part 1 Chapter 5 Summary and Analysis

People reason by analyzing the sum or remainder of two thoughts which are added or subtracted. Logicians put two words together to see if they create an affirmation or subtract a word from another to see if it can stand alone. Two affirmations are a syllogism and many syllogisms make a demonstration. When a logician makes a demonstration, he tries to subtract a part of it to find another conclusion and so on. For example, lawyers combine facts to find what is right and wrong. Adding and subtracting is the way people find reason. When we reason with ourselves it is called marking. To reason with someone else is a signifying.

When two people disagree and seek reason, they should go to a judge and not judge the matter themselves. It is intolerable to do so because their involvement...