Rule logic.propositional.buggy.implelim

Parameters
Buggy	yes
Rewrite rule	yes
Siblings

Rewrite rule

p → q   ⇏   ¬(p ∨ q)
p → q   ⇏   p ∨ q
p → q   ⇏   ¬(p ∧ q)
p → q   ⇏   p ∨ (¬q)

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="implies"/><OMV name="$0"/><OMV name="$1"/></OMA><OMA><OMS cd="logic1" name="not"/><OMA><OMS cd="logic1" name="or"/><OMV name="$0"/><OMV name="$1"/></OMA></OMA></OMA></OMBIND></OMOBJ></FMP>

<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="implies"/><OMV name="$0"/><OMV name="$1"/></OMA><OMA><OMS cd="logic1" name="or"/><OMV name="$0"/><OMV name="$1"/></OMA></OMA></OMBIND></OMOBJ></FMP>

<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="implies"/><OMV name="$0"/><OMV name="$1"/></OMA><OMA><OMS cd="logic1" name="not"/><OMA><OMS cd="logic1" name="and"/><OMV name="$0"/><OMV name="$1"/></OMA></OMA></OMA></OMBIND></OMOBJ></FMP>

<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="implies"/><OMV name="$0"/><OMV name="$1"/></OMA><OMA><OMS cd="logic1" name="or"/><OMV name="$0"/><OMA><OMS cd="logic1" name="not"/><OMV name="$1"/></OMA></OMA></OMA></OMBIND></OMOBJ></FMP>