Consider the following premises. Robert is working or Mary is a mechanic. If Richard were a police officer, then Sarah is not playing squash. Robert is not working or it is overcast. If Mary were a mechanic, then Sarah is playing squash. If it is overcast, then Sarah is playing squash. Can we infer the following from them? If we can, name the inference rule being used: It is not windy.
We cannot infer that from the premises. Therefore the answer is no.