Nedarim 57a

נדרים נ״ז ע״א

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Topic

How the wording of a קונם vow decides what is forbidden: replacements and growths of the vowed item, a wife's handiwork, and where the time limit עד הפסח is placed

Overview

This amud is a משנה about how the exact wording of a קונם vow changes what it forbids. If a person puts the ban on the fruit itself ('קונם upon me'), then whatever he trades it for and whatever grows from it are forbidden too. If he only forbids his own eating ('that I eat'), the replacements and growths are permitted. The exception is a plant whose seed never breaks down, where even growths of growths stay forbidden. The same rules apply when a husband forbids his wife's handiwork to himself. The משנה then shows that where 'until פסח' sits in the sentence matters. Next to 'I will not eat,' it ends the ban at פסח. Next to 'what you make,' it marks which items are forbidden, and those stay forbidden after פסח. It ends with a ban on benefit until פסח that takes effect if she goes to her father's house before the festival.

Opening lines

The steps (6)

1. StatementMaking the fruit itself forbidden includes replacements and growths
2. StatementForbidding only the eating leaves replacements and growths permitted
3. StatementThe same rules apply to a vow on a wife's handiwork
4. Statement'I will not eat until פסח' limits the ban in time
5. Statement'What you make until פסח' forbids those items forever
6. StatementA conditional ban on benefit tied to going to her father's house