Q.E.D.
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Q.E.D. is an initialism of the Latin phrase quod erat demonstrandum, meaning "that which was to be demonstrated". Literally, it states "what was to be shown". Traditionally, the abbreviation is placed
Spinoza's original text of Ethics, Part 1, Q.E.D. is used at the end of Demonstratio of Propositio III on the right hand page
Bob's your uncle
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"Bob's your uncle" is an idiom commonly used in the United Kingdom and Commonwealth countries that means "and there it is", "and there you have it" or "it's done". Typically, someone says it to conclu
Q.E.D.
…A priori and a posteriori Bob's your uncle Ipso facto…
Robert "Bob" Cecil
Portrait of Arthur Balfour by John Singer Sargent
A.J. Balfour LCCN2014682753
Robert Gascoyne Cecil 3rd Marquess of Salisbury