Check, whether the following statements are true or false :
(i) `{1,2} cancel(sub){1,2,3}`
(ii) `{a,b}sub{x:x " is a letter of English alphabet"}`
(iii) `{x:x " is an odd natural number"}sube {x:x " is a positve integer"}`
(iv) `{a} in {a,b}`.

Examine whether the following statements are true or false : {x : x is a letter in the word SCHOOL} sub {x : x is a letter of english alphabet}.

State whether the following statements are true or false. (x +a) (x +b) = x ^(2) + ab + c (a +b)

Examine whether the following statements are true or false : (i) {a,b} cancel(sub) {b,c,a} {a,e} sub {x : x is a vowel in the English alphabet} (iii) {1,2,3} sub {1,3,5} (iv) {a} sub {a,b,c} (v) {a} in {a,b,c} (vi) {x : x is an even natural number less than 6} sub {x : x is a natural number which divides 36}.

Examine whether the following statement are true or false {a,e} sub {x:x is a vowel in the English alphabet}

State whether the following statements are true or false: 1in{1,2,3}a sub{b,c,a}{a}in{a,b,c}{a,b}={a,a,b,b,a} The set {x:x+8=8} is the null set.

Whether the following statement is true ? Justify your answer. If x in A and A cancel (sub) B, then x in B.

Examine whether the following statements are true or false: i) '{a, b} not a subset of {b, c, a}' ii) '{a,e} is a subset of {x: x' is a vowel in the English alphabet} iii) '{1,2,3} is a subset of {1,3,5}' iv) '{a} is a subset of {b,c}' v) '{a}is a subset of {a, b, c}' vi) {x: x is an even natural number less than 6}is a subset of {x: x is a natural number which divides 36}

Examine whether the following statements are true or false : {x : x is the collection of all birds} sub {x : x is the collection of parrot}

Examine whether the following statements are true or false: { a, e } ⊂ { x : x is a vowel in the English alphabet}