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Friends plz help to solve this my problem?
Extract appropriate prepositions and write following statements in symbolic form.
1. user is listed in valid users,however,unable to login.
2. user is not listed in valid users and not able to login.
3. user is listed in valid users and able to logic but the system is not responding.
4. system is responding and valid listed users are able to login.
5. user is able to login if and only if he is listed under valid users and system is responding.
6. if system is responding then not listed users are not able to login.
7. if and only if the system is not responding then listed users are not able to login.
8. if user is listed in valid users and system is responding then users are able to login.
9. if ser is not listed in valid users then if system is responding then the user is not able to login.
10. if and only if valid listed users are able to login when system is responding.
1 Answer
- Anonymous7 years ago
user is listed in valid users,however,unable to login.