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What is alethic modality?

 

Definition
 

Alethic modality is modality that connotes the speaker’s estimation of the logical necessity or possibility of the proposition expressed by his utterance.

Discussion
 

The adjective alethic is also used in expressions of specific degrees of alethic modality, such as

 
  • alethic possibility, or
  • alethic necessity.
Example (English)
 
  • Alfred is a bachelor; thus he must be unmarried.

    Adapted from:

    Lyons 1977b 788

  • Generic
      Alethic modality is a kind of
     
    Sources
     

    Crystal 1985 12

     

    Palmer 1986 10–11

     

    Lyons 1977b 788–791


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