<m.Nazir 2.6>  

[Should a man say,] `I undertake the polling of half a Nazirite,` and his companion, hearing this, say `I, too; I undertake the polling of half a Nazirite,` then, according to R. Meir [T4], each must poll a Nazirite completely, but the Sages say: each polls half a Nazirite.

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