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{{DISPLAYTITLE:Differential Propositional Calculus}}
 
{{DISPLAYTITLE:Differential Propositional Calculus}}
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A '''differential propositional calculus''' is a [[propositional calculus extended]] by a set of terms that may be interpreted as denoting changes, differences, or variations that affect the universe of discourse described by the initial set of terms.
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A '''differential propositional calculus''' is a [[propositional calculus]] extended by a set of terms that may be interpreted as denoting changes, differences, or variations that affect the universe of discourse described by the initial set of terms.
    
A concrete example is best on first approach.
 
A concrete example is best on first approach.
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