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# Translating "Cannot" in In/Out Games and Grouping Games

Alum Member
edited February 2018 13 karma

Hi all,

I'm struggling with the translation of "cannot."

In an In/Out game if A & B "cannot" be together, then:
- is A <--> not B and B <--> not A (or rather, is a biconditional relationship necessarily created)? because they are always apart/never together?

In a Grouping game, if A & B "cannot" be together, then:
- is a negate necessary the only result? - is A ---> not B and B --> A?

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• Member 🍌🍌
edited February 2018 9377 karma

@anjkumar87 said:
Hi all,

I'm struggling with the translation of "cannot."

In an In/Out game if A & B "cannot" be together, then:
- is A <--> not B and B <--> not A (or rather, is a biconditional relationship necessarily created)? because they are always apart/never together?

In a Grouping game, if A & B "cannot" be together, then:
- is a negate necessary the only result? - is A ---> not B and B --> A?

Hi @anjkumar87,

In/Out Game
If A and B cannot be together and A and B have to be in the In group or the Out group, then you have to represent it as A <---> /B.

Grouping Game
There are more than two groups with items that are not repeatable, and A and B cannot be together, you should represent it as A ---> /B because this means that if A is in one group, B cannot be in that group. There is no particular Out group. We look at each group as "In group", and we see that if A is in a group, B has to be in other groups.

This discussion might clear things up:
https://7sage.com/discussion/#/discussion/14156/confusing-bi-conditional-vs-not-both-in-lg

• Free Trial Member
3072 karma

Do you have the test and game number?