Writing propositions symbolically

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SUMMARY

The discussion focuses on expressing the statement "For each positive integer k, there are k consecutive positive integers that aren't perfect squares" in symbolic logic. The participants suggest using the notation F(k) to indicate that k is not a perfect square, with the symbolic representation F(k) ↔ k ≠ n², where n is an integer. The challenge lies in defining the notation for k consecutive integers that are not perfect squares, leading to the expression ∀ k > 0 ∃ F(k+1) … F(k+k).

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Homework Statement



For each positive int k, there are k consecutive pos ints that aren't perfect-squares.

I'm trying to write this in symbolic logic, but am getting messed in the second part and might be a little off on the first.

Homework Equations




The Attempt at a Solution



∀ k > 0 - For each positive int k

F(k) indicates that k is a not a perfect square. (can this be written symbolically instead?)

∀ k > 0 ∃ Fk+1(k) … Fk+k(k).
 
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brookey86 said:

Homework Statement



For each positive int k, there are k consecutive pos ints that aren't perfect-squares.

I'm trying to write this in symbolic logic, but am getting messed in the second part and might be a little off on the first.

Homework Equations




The Attempt at a Solution



∀ k > 0 - For each positive int k

F(k) indicates that k is a not a perfect square. (can this be written symbolically instead?)

∀ k > 0 ∃ Fk+1(k) … Fk+k(k).

If you want to write that symbolically, you could write something like this:

F(k) \leftrightarrow k \neq n^2, n \in \mathbb{Z}

Of course, you'd still have to define what Fk+a(k) means.
 

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