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  1. TheOAP replied to the thread Hello from a rusty old (84) maths enthusiast..

    Hi Alan, I was born in Portsmouth, went to live in Germany for 4 years (Father in army), did apprenticeship in RAF. In civvy street...

    Jan 25, 2020 at 7:01 PM
  2. suste88 posted a new thread.

    Cardinality of the statement

    What is the cardinality of this statement { x|x is a string over {a, b, c} and |x| <= 2}

    Forum: Advanced Applied Math

    Jan 24, 2020 at 11:58 PM
  3. alan whittle replied to the thread Hello from a rusty old (84) maths enthusiast..

    Hello Pete, First I am sorry to be so sluggish in replying, but I have been preoccupied with medical matters related my own health,...

    Jan 24, 2020 at 2:45 PM
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