Wednesday

January 28, 2015

January 28, 2015

Posted by **donovan** on Monday, February 7, 2011 at 11:51am.

a) a->(b or c)

my answer:

contra(~b or~c)->~a

simplified: ~b and ~c->~a

b) (A and B)->(~q)

my answer:

contra (~A or~b)->q

simplified:~a or ~b->q

Am i even close?

**Answer this Question**

**Related Questions**

math - Need help with negation using demorgan law. ~(a and ~b) I have ~a and b ...

Geometry - In logic, which of the following is said to be logically equivalent ...

Math - Let p -> q represent the conditional statement All hummingbirds love ...

discrete mathematics - problem has to do with three valued logic, ie the values ...

math - simplify the expression if possible. IN e^5. Type an exact answer in ...

Math! Please Help! - 1. What is the simplified form of (–3x^3y^2)(5xy^–1)? I ...

math-logic(shsat) - Question: If 15 - 2x < 7, then for all possible values of...

Math - Can someone please help me with these two. What is the quotient (6-x)/(x^...

logic - I need help proving these arguments using rules of inference, please. (S...

Math - Using the formula r = d/t, where d is the distance in miles, r is the ...