isofilter (1)

isofilter [options] < input-file > output-file

isofilter0 [options] < input-file > output-file

isofilter2 [options] < input-file > output-file

This manual page documents briefly the isofilter, isofilter0 and isofilter2 commands.

If mace4(1) produces more than one structure, some of them are very likely to be isomorphic to others. The program isofilter can be used to remove isomorphic structures.

There are multiple isofilter variants providing alternative algorithms.

isofilter

Uses Occurrence Profiles algorithm.

isofilter2

Uses Canonical Forms algorithm.

A summary of options is included below.

ignore_constants

Ignore all constants during the isomorphism tests.

check <operations>

Consider only the listed operations in the isomorphism tests.

output <operations>

Output only the listed operations.

wrap

Enclose the resulting structures in list(interpretations). ... end_of_list.

mace4(1).

Full documentation for isofilter is found in the prover9 manual, available on Debian systems in the prover9-doc package at /usr/share/doc/prover9-doc/manual/index.html.

isofilter was written by William McCune <[email protected]>

This manual page was written by Peter Collingbourne <[email protected]>, for the Debian project (but may be used by others).