Reference for Shabbat 30:5

ר' יוסי אומר אף על ספק מגען ברה"י שורפין וחכ"א ברה"י תולין ברה"ר טהורין

[iv] the doubt of vessels which are found;<span class="x" onmousemove="('comment',' And it is unknown whether they are clean or not. ');">⁹</span> [v] doubtful saliva;<span class="x" onmousemove="('comment',' All saliva found is suspected of uncleanness, as it may be of a zab; v. p. 58, n. 10. ');">¹⁰</span>

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