Propositional logic - artificial intelligence, Computer Engineering

Propositional Logic - artificial intelligence:

This is a limited logic, which permit  us to write sentences about propositions - statements about the world - which can either be false or  true. The symbols in this logic are (i) connectives which are: and (∧), or (∨), not (¬),  and implies (->) (ii) capital letters such as Q,P and R which represent propositions such as: "It is raining" and "I am wet", (iii) brackets and (iv) T which stands for the proposition "true", and F which stands for the proposition "false". The syntax of this logic are the rules specifying where in a sentence the connectives may go, for example ∨ might go between two propositions, or between a bracketed conjunction of propositions and so on .

The semantics of this logic are rules about how to assign truth values to a sentence if we know whether the propositions mentioned in the sentence are true or not.  One rule is that the sentence P ∨ Q is true in the situation only when P and Q both are true. The rules also dictate how to use brackets.  As a very simple example, we may represent the knowledge in English that "I always get wet and annoyed when it rains" as:

I am wet -> It is raining ∧ I am annoyed

If we program our agent with the semantics of propositional logic, then if at some stage, we tell it that it is raining; it can infer that I will get wet and annoyed.

Posted Date: 10/2/2012 3:18:01 AM | Location : United States







Related Discussions:- Propositional logic - artificial intelligence, Assignment Help, Ask Question on Propositional logic - artificial intelligence, Get Answer, Expert's Help, Propositional logic - artificial intelligence Discussions

Write discussion on Propositional logic - artificial intelligence
Your posts are moderated
Related Questions
How can you display frames (horizontal and vertical lines) in lists? You can show tabular lists with horizontal and vertical lines (FRAMES) using the ULINE command and the syst

The following is the required interface for the mouse and cheese problem. Your program is required to read its input from a file named 'maze.txt' In the maze.txt

Q. How will these instructions perform? Let's assume that above machine instructions are stored in three consecutive memory locations 1, 2 and 3 and PC contains a value (1) tha

Explain the Biometric Systems in brief. Biometrics: It is the science of measuring physical properties of living beings. Biometric Authentication: (a) This authenticati

Qualifications of security professionals For the security professionals, it is essential that they have adequate freedom to check the security measures and enforce them and

Dialog-task updates are Synchronous updates.

For two stages network the switching elements for M inlets with r blocks and N outlets with s blocks is given by (A) Ms + Nr                                (B)  Mr + Ns (

In a positive logic system, logic state 1 corresponds to ? Ans. For positive digital logic, we choose two voltages levels. Higher voltage shows logic 1 and a lower voltage sho

Q. Basic Architecture of computer system? Replacing the ALU and CU (i.e., CPU) of Figure by a microprocessor, and storing instructions and data in the same memory, one arrives

Explain the term- Looking at existing paperwork This allows analyst to see how paper files are kept and look at operating instructions and check accounts, training manuals etc