In Numbers^x, Conditionals^x, Vowels^x

Clive wrote: Hi, Two. (E and 4). Clive Interesting. "To affirm the antecedent, E is correct. E is a vowel and thus should have an even number on the other side. If there was an odd number on the other side, the statement would be false, so E must be turned over to check for...

The card trap A classic trap was used by Wason and Johnson-Laird (1972). Four cards are laid out as below: E K 4 7 The conditional statement is now given: 'If a card...