Question

Set theory

Answer 1

What? I dont compute

Answer 2

Put \(\subset\) or \(\cancel {\subset}\) in the \(\cdots\)


1.) {x:x is a circle in the plane} . . .{x : x is a circle in the same plane with
radius 1 unit}
2.) {x : x is a triangle in a plane} . . . {x : x is a rectangle in the plane}
3.) {x : x is an equilateral triangle in a plane} . . . {x : x is a triangle in the same plane}
4.) {x : x is an even natural number} . . . {x : x is an integer}

Answer 3

for 4.) i think answer is \(\subset\)

Answer 4

yes i agree

Answer 5

natural number is a subset of integer

Answer 6

example \(\{1\}\subset \{1,2\}\)

Answer 7

ok what abt the top 3

Answer 8

yea - its been a long time.

Answer 9

I think 1 is not a subset

Answer 10

ok

Answer 11

- i thin the reverse is the case

Answer 12

and set of triangles are not a subset of a set of rectangles - right ???

Answer 13

yea ok

Answer 14

as for 3 i think its a subset

Answer 15

no 3.)

Answer 16

a set equilateral triangles would belong to a set of triangles

Answer 17

ok thnx