Earlier quoted context omitted.
> It's also an exception that proves the rule That phrase doesn't refer to anomalies, it refers to signs that says "no parking between 5-10pm". It implies the rule that parking is allowed otherwise.
wikipedia: "The exception that proves the rule" is a saying whose meaning is contested. Henry Watson Fowler's Modern English Usage identifies five ways in which the phrase has been used,[1] and each use makes some sort of reference to the role that a particular case or event takes in relation to a more general rule." duckduckgo search assist: The phrase "the exception that proves the rule" originates from the Latin l…
Which has nothing to do with the meaning of the words in the phrase for a commonly misused phrase.