Isn't this a maths question?
Rover
Student or Learner
Suppose I have four time periods as follows:
Period A: from July 1st, 2010 to July 10th, 2010,
Period B: from July 3rd, 2010 to July 12th, 2010.
Period C: from July 3rd, 2010 to July 9th, 2010.
Period D: from July 15th, 2010 to July 19th, 2010.
Can I say:
1) Period C is the subset of period A.
2) There is an intersection between period A and B.
3) There is no intersection between period A and D.
or any suggestions on words subset, intersection and union of set?
How to describe time period relationship?
Many thanks.
Last edited by tobysky; 14-Sep-2010 at 07:48.
Isn't this a maths question?
Rover
If your readership was unfamiliar with set theory, you could say:
1. Period A includes all the time in period B.
2. Period A includes some of the time in period B and vice versa.
3. Period A and Period D do not share any time period. / There is no overlap of time periods in Periods A and D.
This is what I want. Thanks for your further answer.
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