Reference for Menachot 53:2

כי תיבעי לך אליבא דמ"ד על בסמוך מאי ה"נ על בסמוך או דלמא על העצים דומיא דעל המזבח מה התם על ממש אף ה"נ על ממש תיקו:

How is it then? Do we also explain 'upon' here as 'near to'; or perhaps, since the phrases 'upon the wood' and 'upon the altar' are in juxtaposition, as in the latter phrase 'upon' is taken in its litera meaning so in the former 'upon' is to be taken in its literal meaning? - This, too, remains undecided.

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