by George E. Hrabovsky

This will be a set of writings where I and my wife Dianna will produce a special document. These classes will be very short, and each one will result in a document.

These require either Mathematica 9 or later, or the free Mathematica CDF Viewer, though the viewer cannot run the programs, (you can find that here).

The first course is on Estimation. This is not statistical estimation, it is estimation of orders of magnitude. The particpants were myself and my wife, Dianna Hrabovsky.

The second week is on numbers and sets:

The third week was a continuation of sets and the introduction of cardinal numbers.

The fourth installment was on natural numbers

The fifth installment is on logic and proof.

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