Quick Answer: What Does P And Q Mean In Mind Your Ps And Qs?

What is the meaning of to mind one’s P’s and Q’s?

Definition of mind one’s p’s and q’s : to be careful about behaving in a polite or proper way We knew to mind our p’s and q’s around our aunt..

What does P and Q stand for in logic?

First, P is the first letter of the word “proposition”. Old logic texts sometimes say something like “assume a proposition P” and then go on to prove something about P. Q is just the next letter after P, so when you need another proposition to assume, it’s an easy and convenient letter to use.

What is the converse of P → Q?

The converse of p → q is q → p. The inverse of p → q is ∼ p →∼ q. A conditional statement and its converse are NOT logically equivalent.

Why do we say Bob’s your uncle?

The origins are uncertain, but a common theory is that the expression arose after Conservative Prime Minister Robert Gascoyne-Cecil, 3rd Marquess of Salisbury (“Bob”) appointed his nephew Arthur Balfour as Chief Secretary for Ireland in 1887, an act of nepotism, which was apparently both surprising and unpopular.

What does the P and Q stand for in mind your P’s and Q’s?

Mind your Ps and Qs is an English language expression meaning “mind your manners”, “mind your language”, “be on your best behaviour”, “watch what you’re doing”.

Where did the saying mind your own beeswax come from?

20th century In the 1930s, a slang version rendered the saying as “Mind your own beeswax”. It is meant to soften the force of the retort. Folk etymology has it that this idiom was used in the colonial period when women would sit by the fireplace making wax candles together, though there are many other theories.

What does what in the Sam Hill mean?

Sam Hill is an American English slang phrase, a euphemism or minced oath for “the devil” or “hell” personified (as in, “What in the Sam Hill is that?”), the “Sam” coming from salmon(sal(o)mon an oath) and “Hill” from hell.

Where did the expression dressed to the nines come from?

The phrase is said to be Scots in origin. The earliest written example of the phrase is from the 1719 Epistle to Ramsay by the Scottish poet William Hamilton: The bonny Lines therein thou sent me, How to the nines they did content me.

What is the meaning of the phrase the intersection of P and Q?

The intersection of Set P and Set Q. The intersection of two sets are the elements that they both have. … Both Set A and Set B have 1 and 3 in them. So, we can say that the intersection of Set A and Set B are 1 and 3. I hope this helps!

What is the meaning of p implies q?

p → q (p implies q) (if p then q) is the proposition that is false when p is true and q is false and true otherwise.

What does Heavens to Betsy mean?

What’s the meaning of the phrase ‘Heavens to Betsy’? A mild exclamation of surprise.

What does too old to cut the mustard mean?

To cut the mustard is “to reach or surpass the desired standard or performance” or more generally “to succeed, to have the ability to do something.” For instance, Beyoncé really cut the mustard in her new song.