A. 13 - see Braiso of R. Yishmoel omer.
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Q. Which one is the Sandwhich rule where we have a kelal on both ends & a perat in the middle ?
A. Rule # 6
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Q. What if the latter kelal does not resemble the first ?
A. That is a dispute.
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Q. What is the approach taught by other Sages that is not taught by R. Yishmoel ?
A. Riboh miut Veriboh.
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