Soo need to know the steps in making this question work out . plz can any one help

Soo need to know the steps in making this question work out . plz can any one help

Suppose m is an integer . If 4 divides m2 − 1, then m is odd ?. can you prove this in direct proof plz

Logic phil 60

Phil 60 class

(p<--->q = ~(p and~ q) or ~(q and ~p)

Let A, B and C be different sets containing letters of the alphabet. Explain why there must exist some letter that is either contained in exactly one of the sets or contained in exactly two...

a car travels 720 miles in 12 hours. Express this as a unit rate how you solve this?

On Halloween, the favorite gathering place for movie monsters is Dracula's castle, site of the annual Monster Ball. The Count's intolerence of daylight limits his ability to shop for party items,...

A math quiz is generated by randomly choosing 5 questions from a test bank consisting of 50 questions. How many different quizzes are possible ?

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The cast of the new horror film Scary Stuff threw a costume party for Halloween. The actors and actresses -- Bela, Alex, Elsa, Karen, Leo, Maria, and Vincent -- were dressed (in no particular order)...

Could someone help me on the question below please. Using Logical simplification, prove that the following are tautologies, contradictions or neither. Verify your answers using a truth...

PLEASE HELP

The contrapositive would be: If 2(n) is odd, then n is odd. What is wrong with my logic? The first statement is obviously true, and the second one is obviously false. I...

Need explanation

It is a family day at the creek. One of the most popular activities is the canoe Relay. Each team must have two adults and three campers. In order to win this race you must canoe all team members...

More of a logic question

Suppose we have an FOL with names/constants a,b,c,d, variables x,y, z, function symbols f (x),g(x),h(x,y), predicate symbols P(x),Q(x),R(x,y),x = y, the usual connectives and the quantifiers ∀,∃...

then R is a tautological consequence of P1, . . . ,Pn,P∨Q. Explain this please..i don't understand How could you use the result established above to...

Consider the following translation scheme:Use symbols to translate A: The American team will win a gold medal. B: The British team will win a gold medal. C: The Canadian team will...

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