There are two meaning of the equal signs:
the first one is that it means equality.
4 = sqrt 2 (2 is equal the suare root of two) or
here it means "exactly the same", or an equality
The second meaning is "example of", "equivalence"
Then x = 5 means that x is the equivalent and to underline the difference mathematicians have created a special sign . This one:≡
These difference are really important in programming with computers!
374 MEMORABILIA MATHEMATICA
1. The difference of the two digits composing the number,
2. The first digit raised to the power indicated by the second,
3. The sum of the prime factors of each age, including one as a
A Theory of Probable Inference; Studies in
Source: Memorabilia mathematica; or, The philomath's quotation-book - Moritz, Robert Édouard, 1868-1940
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