Logical Reasoning and Intelligence Systems
The lesson covers the meaning of simple and compound statements. It explains five logical operations and their symbols, along with truth values of compound statements. The lesson also discusses the equivalence of contra-positives and converses in conditional statements, and introduces the concept of
- 29:06 “true, such statements are valid arguments, on the other hand, if an argument is not a totology, we say it is what, it is invalid, a true table can be used to prove whether an argument is valid or not, and that gives us a...”
- 26:38 “P is false, not P is tot is true, we have P is false and not P is going to be true, now if you want to combine these two statements together now, using the all connective, then we have the true, true false, true false, f...”
- 34:10 “I feel once again, till next time.”
Logical Statements and Negation
This lesson covers the definition of logical statements and how to identify true and false statements. It explains negation, conditional statements, and the antecedents of statements with examples.
- 23:25 “Mary is a model, she's beautiful, have different true values. We understand it at all. So that is how to represent a background statement in a true or falseity table. Now have understood what we mean by logical statement...”
- 09:47 “be true. If family is a brilliant student, then family pass the exam. This is true. Now if Q is true, that is if family passed, if family is a brilliant student, and then family did not pass the exam, the statement is go...”
- 08:59 “You call what it's called consequence of Q. So if you have to compensate, if you have two simple statements, the first statement is going to be an antecedent and what second statement is going to be consequence. So hard...”