| AbstractGraphLdoModality | 
 Provides common functionalities for the graph-based modalities in LDO. 
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| AbstractLdoModality | 
 Provides common functionalities for all modalities in LDO. 
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| LdoArgument | 
 This class represents an argument in ldo. 
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| LdoAssociativeFormula | 
 This class captures the common functionalities of formulas with an associative
 operation like conjunction, disjunction, etc. 
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| LdoBoxModality | 
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| LdoConjunction | 
 This class represents a conjunction in ldo logic. 
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| LdoDiamondModality | 
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| LdoDisjunction | 
 This class represents a disjunction in ldo logic. 
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| LdoFormula | 
 This abstract class specifies the general methods of all Ldo-formulas
 (LDO - Logic of dialectical outcomes, cf. 
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| LdoGraphBoxModality | 
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| LdoGraphDiamondModality | 
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| LdoNegation | 
 This class models classical negation of ldo logic. 
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| LdoRelation | 
 Creates a relational formula, i.e. 
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