display all the ideas for this combination of texts
3 ideas
4195 | It is impossible to reach a valid false conclusion from true premises, so reason itself depends on possibility [Lowe] |
14289 | There are some assertable conditionals one would reject if one learned the antecedent [Jackson, by Edgington] |
4207 | We might eliminate 'possible' and 'necessary' in favour of quantification over possible worlds [Lowe] |