4 comments

  • Saturday, Feb 20 2016

    Thank you for helping out!

    0
  • Friday, Feb 19 2016

    Be aware of the difference between contraries and contradictories, and subcontraries for that matter.

    P and Q are contraries if they can't both be true but can both be false (e.g. 'X is right' and 'X is wrong').

    P and Q are contradictories if they can't both be true and can't both be false (e.g. 'X is dead' and 'X is alive').

    Subcontraries can't both be false but can both be true (e.g. 'Some dogs are furry' and 'Some dogs aren't furry').

    For more about these kinds of relations, check out the Square of Opposition.

    https://en.m.wikipedia.org/wiki/Square_of_opposition

    QED

    1
  • Thursday, Feb 18 2016

    Edited title since you listed the wrong PT.

    1
  • Thursday, Feb 18 2016

    Generally you can't negate morally right to mean morally wrong because there are some actions that are neither. Same for right and wrong in general.

    Siting here eating soup is not morally right, but it's not morally wrong, either. So "eating soup" would be in the "not morally right" category but it wouldn't be in the "morally wrong" category.

    1

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