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We have been discussing the possibility of acquiring more succinct representations of the IPC benchmarks by re-using FD's powerful invariant inference components. The basic idea is that for every _mut…
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I do not understand this comment:
https://github.com/aig-upf/fs-private/blob/bfws-v1.0-beta2/src/languages/fstrips/formulae.cxx#L189
does that mean that formulae with nested quantifiers aren't b…
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We need to *completely* decouple de BFWS engine from the rest of elements in the FS planner.
This needs to be done along the lines outlined in the IJCAI'17 submission: the BFWS component
only in…
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Related to #90
(Sorry for the amount of text here! I also hope I'm understanding the moving parts in `tarski` correctly, or else I might not be making much sense.)
RDDL has a number of language…
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We'd like to implement a Tarski transformation that takes any basic Functional STRIPS problem and converts it into a plain STRIPS problem (i.e. no function symbols) by applying Patrik Haslum's "Skolem…
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We'd like to implement a `SAS` / `FDR` writer that takes a STRIPS / FSTRIPS problem and outputs a file in the corresponding format, which can then be fed into planners such as Fast Downward. The refer…
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The PDDL / FSTRIPS parser is _mostly_ working, but support for parsing PDDL axioms, aka "derived predicates" is still lacking.
Related: #12, where we had a long discussion about axioms in Tarski. Ho…
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Hi,
I am trying to parse a PDDL domain with existential preconditions (the _exists_ keyword). However, I get the error `tarski.errors.UndefinedVariable: Undefined element "?from" (error msg: None)`. …
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The following miconic example works in version 0.6.0 but throws an exception in 0.8.2.
The issue seems to be with `init.set(cost, 0)`.
```
#! /usr/bin/env python
import tarski
from tarski.the…
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I got an error running the following code:
```
reader = tarski.io.PDDLReader(raise_on_error=True, strict_with_requirements=False)
reader.parse_domain('domain.pddl')
problem = reader.parse_instance…