\All m, \melt'. & m \leq n \land (\melt\mtimes\melt') \in\mval_m \Ra{}\\&\Exists\meltB. (\meltB\mtimes\melt') \in\mval_k\land m \in\Sem{\vctx\proves\prop :\Prop}_\gamma(\melt')
\All m, \melt'. & m \leq n \land (\melt\mtimes\melt') \in\mval_m \Ra{}\\&\Exists\meltB. (\meltB\mtimes\melt') \in\mval_m\land m \in\Sem{\vctx\proves\prop :\Prop}_\gamma(\meltB)