1.

What could happen if there are two seismic data only?

Answer»

Explanation:

  1. usual, PROVE it USING the general HEURISTIC that

usual, prove it using the general heuristic thatX=YX=Y if and only if X⊆Y and X⊇Y.X⊆Y and X⊇Y.

usual, prove it using the general heuristic thatX=YX=Y if and only if X⊆Y and X⊇Y.X⊆Y and X⊇Y.In other words, take a GENERIC element of A×(B−C)A×(B−C) and show that it ALSO must be an element of (A×B)−(A×C)(A×B)−(A×C), and vice versa.



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