Quantifiers and variables - propositional model, Computer Engineering

Assignment Help:

Quantifiers and Variables - propositional model:

There is one question is arrives that 'What do sentences containing variables mean?' In other way of words, how does a first-order model decide where such a sentence is true or false? Here the first step is to ensure that for the sentence does not contain any free variables, variables that are not bound by associated with a quantifier. So there strictly speaking that a first-order expression is not a sentence unless all the variables are bound there. Moreover, we usually suppose that if a variable is not explicitly bound then really it  is implicitly universally quantified. 

So now we look for the outermost quantifier in our sentence. Whether If this is ∀ X then we consider the truth of the sentence for every value X could take then the outermost quantifier is ?X we require to find just a single possible value of X. Just to make this more formal we can need a concept of substitution.


Related Discussions:- Quantifiers and variables - propositional model

Time complexity in the worst case, Speicified the following piece of code: ...

Speicified the following piece of code: int i = 1; int j = 4; while (i     {      if (i%3 == 0) i+=3;      else i+=4;        if (j%2 == 0) j*=4;      els

Explain debug monitors, Explain Debug monitors. Debug monitors give d...

Explain Debug monitors. Debug monitors give debugging support for a program. A debug monitor executes the program being debugged in its own control thereby giving execution e

Dynamic programming, Given: • A sequence of n arrival times t0, t1, ..., ...

Given: • A sequence of n arrival times t0, t1, ..., tn-1, • a library of mlogically equivalent gates {(d0, c0), (d1, c1), ..., (dm-1,cm-1)} where d is delay and c is cost • a

Determine the object design of object oriented modelling, Determine the Obj...

Determine the Object Design of Object oriented modelling Object Design:   At this phase, a design model is created based on the analysis model which is already created in the

Cobol coding, What is cobol codin for heap sort?

What is cobol codin for heap sort?

Observed speedup and parallel overhead, Observed Speedup Observed speed...

Observed Speedup Observed speedup of a system which has been parallelized, is defined as:                             Granularity is one of the easiest and most extensi

#titlesoftware interface.., draw circuit diagram and the truth table that r...

draw circuit diagram and the truth table that represent demultiplexer

Drawbacks to resolution theorem, Drawbacks to resolution theorem: Thus...

Drawbacks to resolution theorem: Thus the underlining here identifies some drawbacks to resolution theorem proving: It only works for true theorems that can be expresse

Binary search tree, Given the following interface public interface WordS...

Given the following interface public interface WordSet extends Iterable { public void add(Word word); // Add word if not already added public boolean contains(Word word);

Features of hyper-threading, The salient features of hyper threading are: ...

The salient features of hyper threading are: i)  Improved support for multi-threaded code, permitting multiple threads to run concurrently. ii) Response time and improved rea

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd