The string $$p r q \rightarrow \neg q \Delta p \rightarrow \wedge$$ is postﬁx notation for a logic expression; however, there is a misprint. The
triangle should be one of these three: $$r _ { , } , \vee , \text { Or } \neg$$ Determine which of these three it must be and explain your
reasoning.

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The Answer of The string $$p r q \rightarrow \neg q \Delta p \rightarrow \wedge$$ is postﬁx notation for a logic expression; however, there is a misprint. The
triangle should be one of these three: $$r _ { , } , \vee , \text { Or } \neg$$ Determine which of these three it must be and explain your
reasoning.

The String prq→¬qΔp→∧p r q \rightarrow \neg q \Delta p \rightarrow \wedgeprq→¬qΔp→∧

The String $p r q \rightarrow \neg q \Delta p \rightarrow \wedge$