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yap-6.3/Logtalk/examples/symdiff/NOTES

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Logtalk - Object oriented extension to Prolog
Release 2.24.0
Copyright (c) 1998-2005 Paulo Moura. All Rights Reserved.
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To load this example and for sample queries, please see the SCRIPT file.
This folder contains an example of using parametric objects to implement
symbolic expression differentiation and simplification.
Current limitations:
- the expression that we intend to differentiate or simplify
must be a compound term. Accepted functors are *, +, -, **, and log.
- use as a variable the atom x.
- only integers can be used as constants.
This example is still incomplete. For example, using sum distribution
property to simplify expressions is not yet implemented.