GSoC: Assumptions Project
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Yash Patel
Mar 27, 2017, 2:44:18 AM3/27/17
to sympy
Hi everyone!
My name is Yash Patel, currently a junior at Princeton University (studying Math with minors in Computer Science and Statistics Machine Learning). I was really interested in the Assumptions project that was described on the GSoC ideas page, especially because I used something in a similar vein for a programming languages class I took, where we used the Coq proof assistant to programmatically simplify and prove expressions. This seems like an especially interesting extension of SymPy and parallels how you can add "underlying assumptions" (axioms) to different Coq environments. If possible, I'd really appreciate any suggestions of what to explore and directions to try!
- Yash
Jason Moore
Mar 27, 2017, 6:55:08 PM3/27/17
to sy...@googlegroups.com
Yash,
You should search the mailing list for past conversations, look at our Github wiki for previous proposals on this system, search pull requests related to assumptions, and reach out to the people that have worked on this system to learn what is needed. Also start here for getting setup: https://github.com/sympy/sympy/wiki/introduction-to-contributing--
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Francesco Bonazzi
Mar 28, 2017, 7:31:17 AM3/28/17
to sympy
Hi,
it's slightly out of topic, but SymPy is really missing the ability to define assumptions on sets (that is, that a variable belongs to a set, e.g. x in [1, 3]).
There are some PR that could be continued:
it's slightly out of topic, but SymPy is really missing the ability to define assumptions on sets (that is, that a variable belongs to a set, e.g. x in [1, 3]).
There are some PR that could be continued:
The idea is to implement how the sets propagate when subject to arithmetic operations and functions.
For example, one could define SetAdd, SetMul, SetPow objects to represent additions, multiplications and powers of sets by other sets.
Once we have such operations, we could add support for range/set assumptions, at last.
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