Kotaiv: Difference between revisions

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Kotaiv
Kotaiv
==Introduction==
==Introduction==
# Writing any kind of letter or symbol (that represents some idea) is forbidden under Kotaiv. <Ref> Rambam Shabbat 11:9 </ref>
# One who writes two letters on shabbat is chayav for the melacha of kotaiv, but if one letter is significant enough that qualifies as well. <ref> Mishna in Masechet Shabbat 73a writes that the prohibited melacha is for two letters but the gemara 104b says if it is one letter that finishes off the book, you are also obligated. The Avnei Nezer 201 explains that this is because it gives it significance. </ref>   
# Affixing letters to a surface is also considered Kotaiv. <Ref> Magan Avraham 340:10, Mishna Brurah 340:22 (8) </ref>Examples include:  
# Writing any kind of letter or symbol (that represents some idea) is forbidden under Kotaiv. <Ref> Rambam Shabbat 11:9 </ref>
# Affixing letters to a surface is also considered Kotaiv. <Ref> Magan Avraham 340:10, Mishna Brurah 340:22 (8) </ref>Examples include:  
*    Attaching letters to a wallpaper,  
*    Attaching letters to a wallpaper,  
*    Placing magnetic letters to a board
*    Placing magnetic letters to a board
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*    Lining up numbers of a combination lock <ref> Tzitz Eliezer vol 13 Siman 44, Bezel Chachma vol Siman 78, Shevet HaKehati vol 2 Siman 153, Shalmei Yehuda 3:!6 in the name of Rav Elyashiv Shlita, Mishnat Halachot vol  5 Siman 48, Chelkat Yacov vol 3 Siman 150, Divrei Shalom vol 4 Siman 51 </ref>
*    Lining up numbers of a combination lock <ref> Tzitz Eliezer vol 13 Siman 44, Bezel Chachma vol Siman 78, Shevet HaKehati vol 2 Siman 153, Shalmei Yehuda 3:!6 in the name of Rav Elyashiv Shlita, Mishnat Halachot vol  5 Siman 48, Chelkat Yacov vol 3 Siman 150, Divrei Shalom vol 4 Siman 51 </ref>
*    Playing a game that entails placing numbered tiles adjacent to one another
*    Playing a game that entails placing numbered tiles adjacent to one another
==Erasing==
==Erasing==
# If ink or wax fell on writing one should not erase the ink or wax because that would be erasing in order to write. <Ref> Mishna Brurah 340:10 </ref>
# If ink or wax fell on writing one should not erase the ink or wax because that would be erasing in order to write. <Ref> Mishna Brurah 340:10 </ref>