Difference between revisions of "Modal Logic"

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(New page: ==Syntax== ==Semantics==)
 
(Syntax)
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==Syntax==
 
==Syntax==
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The basic modal logic is defined using a set of propositional letters <math>\,\Phi</math>, and a unary operator <math>\,\Box</math>. A well-formed formula is then given by the rule
  
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<math>\phi := p\perp\neg\phi\perp\phi\wedge\phi\perp\Box\phi</math>
  
 
==Semantics==
 
==Semantics==

Revision as of 13:21, 5 November 2009

Syntax

The basic modal logic is defined using a set of propositional letters <math>\,\Phi</math>, and a unary operator <math>\,\Box</math>. A well-formed formula is then given by the rule

<math>\phi := p\perp\neg\phi\perp\phi\wedge\phi\perp\Box\phi</math>

Semantics