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+*View this file with results and syntax highlighting [here](https://mlochbaum.github.io/BQN/help/nothing.html).*
+
+# Middle Dot (`·`)
+
+## `·`: Nothing
+
+### In Trains
+
+Nothing can serve as a left argument in a train to string together multiple monadic functions.
+
+        (-+-) 5
+
+        (-·+-) 5
+
+### In Block Headers
+
+For Block header pattern matching syntax, Nothing can be used to indicate an unused value.
+
+        F ← {𝕊 a‿·‿b: a∾b}
+
+        F 1‿2‿3
+
+        
+\ No newline at end of file