That makes sense. Here is what I got, please correct me if I'm wrong.
Let
p = true
q = false
r = false
then (p ∧ q) → r is true.
and (p → r) ∧ (q → r) is false.
Hence it's not L.E.
Any mistakes?
Homework Statement
Show that (p ∧ q) → r and (p → r) ∧ (q → r) are not
logically equivalent.
Homework Equations
a → b = \nega v b
The Attempt at a Solution
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Homework Statement
Naturally occurring bromine contains two isotopes; Br-79, which has a weight of 78.9183 and Br-81 with a weight of 80.9163. If the atomic weight of Br is 79.904, determine the % abundance of Br-79 and Br-81.
Homework Equations
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