Confused about dolls?

Computer Science Level 3

About the dolls in a shop a customer said "It is not true that some dolls have neither black hair nor blue eyes".What does the customer mean?

Some dolls have both black hair and blue eyes All dolls have either black hair or blue eyes Some dolls have either black hair or blue eyes All dolls have both black hair or blue eyes.

Adhiraj Mandal by Adhiraj Mandal , 23, India

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2 solutions

Prakhar Gupta
Sep 29, 2014

pretty easy, since it says not true tat means there is no doll that has neither black hair nor blue eyes so every doll certainly has atleast one feature.

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Love it, if we find it good. But if we do not find each other is still good. The love of the opposite sex together, they have over the binding you. From family, friends, legal etc. But they remain far apart for his life only. Also with us, all the things that things are obstacles, was when he came with me. From the legal, social, family and the whole community. But we still have each other. ^^, didn't you?. Ken adored the love there. So nice, not too ostentatious, sincere and full of happiness. Hopefully you will also find on this way. ^^

Ricky Carlavelasco - 6 years, 8 months ago
Arya Samanta
Sep 27, 2014

Its a deduction from the statement the customer has made but I don't know if there's a mathematical term for this type of deduction .

IF the customers is speaking about some dolls - "It is not true that some dolls have neither black hair nor blue eyes" - then all others (other than some) have either of them and all these some also have either

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