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  • Counterfactual ‘only if ’ conditionals 

    Egan, Suzanne M.; Byrne, Ruth M.J.; García-Madruga, Juan A. (Cognitive Science Society, 2003)
    People understand a conditional, 'if A then B', such as 'if Peg went swimming then she felt well' by keeping in mind only true possibilities, e.g., A and B, not-A and not-B, not-A and B (Johnson-Laird & Byrne, 2002). ...
  • Indicative and Counterfactual 'only if' conditionals'. 

    Egan, Suzanne M.; García-Madruga, Juan A.; Byrne, Ruth M.J. (Elsevier, 2009-11)
    We report three experiments to test the possibilities reasoners think about when they understand a con-ditional of the form ‘A only if B’ compared to ‘if A then B’. The experiments examine conditionals in the indicative ...