What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Thomas is running if and only if Jennifer is rich. Sarah is a carpenter if and only if Jennifer is rich. Sarah is a carpenter or Thomas is running.
If Thomas goes running, then Jennifer is rich. If Sarah were a carpenter, then Jennifer is rich. If Jennifer were rich, then Thomas is running. If Jennifer were rich, then Sarah is a carpenter.