Qualifier’s order

Math Online Tom Circle

image

The order is important!

(a) & (b) have different meanings:

(a): For all M in R, there exists n in Nsuch that

(b): There exists n in Nsuch that for all M in R, …

See also example below:
http://tomcircle.wordpress.com/2013/05/30/sequence-limit/

Ref: “The Math Girls

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Author: tomcircle

Math amateur

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