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FORMED

NAME

formed − formula editor for first-order logic formulas

SYNOPSIS

formed [options]

DESCRIPTION

This manual page documents briefly the formed command.

formed is a window-based program for constructing, displaying, and managing first-order logic formulas. The main motivation for constructing formed was the desire to have formulas displayed in a readable, two-dimensional format. Users of formed can make two kinds of transformation on formulas: (1) logic transformations, such as negation normal form translation, which preserve the meaning of a formula, and (2) edit transformations, which can be used to make arbitrary changes, such as adding a hypothesis to a subformula. formed was written by using the X Window System, Version 11, and code from the theorem prover otter.

OPTIONS

A summary of options is included below.
−l
filename

Load formulas in the specified file during startup. Formulas can also be loaded after startup with the button Load in the main menu.

−f color

Use the named color for the foreground on color monitors (ignored on black-and-white monitors).

−b color

Use the named color for the background on color monitors (ignored on black-and-white monitors).

SEE ALSO

anldp(1), mace2(1), otter(1).
‘‘FormEd: An X Window System application for managing first-order formulas’’ (McCune et al.), available from http://www.osti.gov/energycitations/servlets/purl/6427100-WtOa4g/6427100.PDF

AUTHOR

formed ws written by William McCune <otter AT mcs DOT anl DOT gov>

This manual page was written by Peter Collingbourne <pcc03 AT doc DOT ic DOT ac DOT uk>, for the Debian project (but may be used by others).

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