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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Shashi ranjan sinha
F being subfield, is contained in E1 and E2 and so is contained in their intersection.... But according to our assumption F is not equal to E1 intersection E2....so F must be properly contained in it and so there exist atleast one element in E1 intersection E2 which doesn't belong to F ....I called it as alpha