For any set $A$ , $A - \varnothing$ equals—

Since the empty set contains no elements, subtracting it removes nothing from $A$ . Therefore $A - \varnothing = A$ .

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এই অধ্যায়ের আরও প্রশ্ন

C-02-Q057If every set under discussion is a subset of a fixed set, that fixed set is called the—
C-02-Q058The universal set is usually denoted by—
C-02-Q059If (even naturals), a suitable universal set is—
C-02-Q060If is universal and , the complement of is—
C-02-Q061The complement of is denoted by—
C-02-Q062If and , then
C-02-Q063If and , then
C-02-Q064For any set and universal , equals—
C-02-Q065equals—
C-02-Q066