Warning: implode(): Invalid arguments passed in /www/wwwroot/jobquiz.info/mdiscuss.php on line 336 Statements:Some files are covers. All covers are keys.All keys are locks. Some locks are doors. Conclusions: I.Some doors are keys. II.Some doors are covers. III.All keys are covers. IV.Some doors are files. ?->(Show Answer!)
1. Statements:Some files are covers. All covers are keys.All keys are locks. Some locks are doors. Conclusions: I.Some doors are keys. II.Some doors are covers. III.All keys are covers. IV.Some doors are files.