I’ve addressed this question before (on several occasions) but I thought this brief tweet I posted might be of interest to some to carry the conversation forward:
Muslims & Christians both refer to the same being when they say “God”. If they weren’t, then they wouldn’t be disagreeing about whether that being is triune or not. Ergo Muslims and Christians also *pray* to the same being. How those prayers are received is a separate question.
In short, shared reference is required to explain religious disagreement. Once you recognize shared reference, however, it follows that all parties who refer to that being can direct worship acts toward that being. As I conclude, that says nothing per se about how those acts are received or whether they are sufficient to establish (or be the medium of) a salvific relationship with that being. Thus, my point is a relatively straightforward (but not trivial) one about linguistic reference rather than a question of salvation let alone truth or pluralism (as some incautious readers may assume).