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Symbolic Logic question
1. Your friend in graduate school, John Doofus, has in vented a set of rules of inference for the language of first order logic (called ‘FOL' in the book). His system is called ‘Doofus'. One day you discover that there's an argument, Argument1, that Doofus can prove, but which you can show that Fitch cannot prove. a) Is Argument1 valid or invalid? b) What property does Fitch possess that justifies your answer to a)? Include a brief (one or two sentence) justification in your answer. c) What must be true about Structures in virtue of your answer to a)? d) What property does Doofus possess in virtue of its ability to prove Argument1? After further investigation, you discover a new argument, Argument2. You demonstrate that Doofus cannot prove Argument2, but Fitch can prove Argument2. e) Is Argument2 valid or invalid? f) What property does Fitch possess that justifies your answer to e)? Include a brief (one or two sentence) justification in your answer. g) What property does Doofus possess in virtue of its inability to prove Argument2?
Determine the domain and range of the variables and how your solutions for a and b be modified if y=ax²+bx+c is a revenue function
Write a paragraph or two comparing and contrasting all methods of solving systems of linear equations with two variables. Explain which method you prefer and why.
Heat Equation Problem, Find the solution u(x,t) of the heat equation: with initial data u(x,0) = x
Linear functions have constant rate of change and exponential functions have constant relative rate of change?
Find the percent of the dowels will have a diameter less than 0.56?
production planning department of graystar prefabricated homes company has to decide which types of homes to produce
A jacket and two pairs of pants together cost $175. The jacket is valued at three times the price of one pair of pants. What is the value of the jacket?
We already saw this for nfinit which accepts either a polynomial or an nf. It will be true for ideals, ideles, congruence subgroups, etc. Ok, let"s stick with elements for the time being. How does one go from one representation to the other?
Telephone rate. A second long-distance telephone service charges $0.09 per minute or fraction thereof for calls lasting 10 minutes or more and $0.18 per minute or fraction thereof for calls lasting less than 10 minutes.
Explain the phrase "outside the scope of the model". Why is it dangerous to make predictions outside the scope of the model?
1.) find the volume of the solid generated by revolving the region enclosed by the graphs of y=e^(x/4), y=1, and x=ln8, about the x axis 2.) find the surface area of the solid generated by revolving y=√(x+6), 0≤x≤3 about the x axis.
1. out of 420 students who took a statistic test 310 passed. what percentage of the students passed the test?2. ritas
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