Rule logic.propositional.buggy.demorgan4

Parameters
Buggy	yes
Rewrite rule	yes
Siblings

Rewrite rule

Formal Mathematical Properties

<FMP><OMOBJ xmlns="http://www.openmath.org/OpenMath" version="2.0" cdbase="http://www.openmath.org/cd"><OMBIND><OMS cd="quant1" name="exists"/><OMBVAR><OMV name="$0"/><OMV name="$1"/></OMBVAR><OMA><OMS cd="relation1" name="neq"/><OMA><OMS cd="logic1" name="not"/><OMA><OMS cd="logic1" name="or"/><OMV name="$0"/><OMV name="$1"/></OMA></OMA><OMA><OMS cd="logic1" name="or"/><OMA><OMS cd="logic1" name="not"/><OMV name="$0"/></OMA><OMA><OMS cd="logic1" name="not"/><OMV name="$1"/></OMA></OMA></OMA></OMBIND></OMOBJ></FMP>