1033: Formal Logic
Title text: Note that this implies you should NOT honk solely because I stopped for a pedestrian and you're behind me.
This comic is a riff on bumper stickers that say "honk if you love ____". Here, the subject is formal logic, but the word "if" is replaced with a formal logic term "iff," which means "if and only if".
"If and only if" sets a condition which must be met before a procedure is allowed. In this case, you must love formal logic (condition) in order to be allowed to honk (procedure). The title text further elaborates on this, saying in essence: "Don't honk at me just because you're impatient that I stopped for a pedestrian."
The joke is the contained self-reference. You have to love formal logic to take the sticker seriously and honk for exclusively that reason. The title text reveals the sticker is actually there to stop people from honking at him altogether, because Randall understandably hates it when he yields for pedestrians only to get honked at by some impatient driver behind him; the ONLY reason you're allowed to honk is to declare your love for formal logic.
- [The rear end of a car (with an unreadable license plate), with a bumper sticker over the tailpipe to the right:]
- Honk iff you love
- formal logic
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