- If I say it then they will learn it.
- If I don’t say it then they won’t learn it.
2011 June 6. Sam Critchlow, in the comments:
Lets not forget the contrapositives, which must also be false:
- If theyâ€™ve learned it, itâ€™s because Iâ€™ve explained it well.
- If they havenâ€™t learned it, then I just must not have explained it well.