Changes

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<li> A "surprise" calls for an explanation to resolve the uncertainty that is present in it.  This uncertainty is associated with a difference between observations and expectations.

<li> A ''surprise'' calls for an explanation to resolve the uncertainty that is present in it.  This uncertainty is associated with a difference between observations and expectations.

<li> A "problem" calls for a plan of action to resolve the difficulty that is present in it.  This difficulty is associated with a difference between observations and intentions.

<li> A ''problem'' calls for a plan of action to resolve the difficulty that is present in it.  This difficulty is associated with a difference between observations and intentions.

To express this diversity in a unified formula:  Both types of inquiry begin with a "delta", a compact term that admits of expansion as a debt, a difference, a difficulty, a discrepancy, a dispersion, a distribution, a doubt, a duplicity, or a duty.</li>

To express this diversity in a unified formula, both types of inquiry begin with a ''delta'', a <math>\Delta</math>, a compact term that admits a full spectrum of expansions:  debt, difference, difficulty, discrepancy, dispersion, distribution, doubt, duplicity, or duty.</li>

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