Question

what is proper subset​

Answer 1

ᴀ ᴘʀᴏᴘᴇʀ sᴜʙsᴇᴛ ᴏғ ᴀ sᴇᴛ ᴀ ɪs ᴀ sᴜʙsᴇᴛ ᴏғ ᴀ ᴛʜᴀᴛ ɪs ɴᴏᴛ ᴇǫᴜᴀʟ ᴛᴏ ᴀ. ɪɴ ᴏᴛʜᴇʀ ᴡᴏʀᴅs, ɪғ ʙ ɪs ᴀ ᴘʀᴏᴘᴇʀ sᴜʙsᴇᴛ ᴏғ ᴀ, ᴛʜᴇɴ ᴀʟʟ ᴇʟᴇᴍᴇɴᴛs ᴏғ ʙ ᴀʀᴇ ɪɴ ᴀ ʙᴜᴛ ᴀ ᴄᴏɴᴛᴀɪɴs ᴀᴛ ʟᴇᴀsᴛ ᴏɴᴇ ᴇʟᴇᴍᴇɴᴛ ᴛʜᴀᴛ ɪs ɴᴏᴛ ɪɴ ʙ.

Answer 2

Step-by-step explanation:

Proper subset definition. A proper subset of a set A is a subset of A that is not equal to A. In other words, if B is a proper subset of A, then all elements of B are in A but A contains at least one element that is not in B.