$\forall$$A$, $B$:Realizer. \\[0ex]($\neg$($\uparrow$Rplus?($A$))) \\[0ex]$\Rightarrow$ ($\neg$($\uparrow$Rplus?($B$))) \\[0ex]$\Rightarrow$ ($\neg$($\uparrow$Rnone?($A$))) \\[0ex]$\Rightarrow$ ($\neg$($\uparrow$Rnone?($B$))) \\[0ex]$\Rightarrow$ ($\forall$$x$:MaName. $\neg$(($x$ $\in$ R{-}names($A$)) \& ($x$ $\in$ R{-}names($B$)))) \\[0ex]$\Rightarrow$ (R{-}loc($A$) = R{-}loc($B$) $\in$ Id) \\[0ex]$\Rightarrow$ R{-}frame{-}compat($A$;$B$)