Ba?al ha?Turim (citing Pesachim, 63a): To teach us that the Shochet is forbidden to Shecht the Korban Pesach if he (or any other member of his group) has Chametz in his possession.

Pesachim, 8b: To teach us that anyone who eats Chametz after mid-day on Erev Pesach - the time of Shechting the Pesach, transgresses a Lo Sa'aseh. ¹

Pesachim, 35a: It teaches us that one can only fulfil the Mitzvah of Matzah with a dough that is subjecct to Chametz - to preclude rice and millet, which turn sour but do not rise.

Pesachim, 35b: It teaches us that one can only fulfill the Mitzvah of Matzah with. Matzah that is subject to the Isur of Chametz - to preclude Tevel which is subjec to Tevel but not Chametz. ¹

Pesachim, 43b: It aches us that whoever is Chayav for eating Chametz is Chayav to eat Matzah - to include women in the Mitzvah of eating Matzah min ha'Torah. ²

Rashi #2 (in Pesachim, 35b): It can be read as ?Lechem Ani? (with a Kamatz? ? the bread of a poor person) to preclude a dough kneaded with wine, oil or honey. ¹

B?rachos, 38a: It can be read as ?Lechem Ani? ² , and renders eligible bread that is baked by pouring flour and water into a cavity in the oven. ³

B?rachos, 39b and Pesschim, 116a #1: It teaches us that, in order to form Lechem Mishnah, one recites a Motzi over a whole Matzah and a broken one. ⁴

Pesachim, 36a: It means ?Bread? over which many words are said aloud (with reference to the Hagadah, Hallel, Shirah and Birchas ha?Mazon ? Torah Temimah).

Pesachim, 36b: It precludes ?Chalut? ? ?bread? that is made in the form of a soft in boiling water before baking ? and ?Ashishah? ? an exceptionally large Matzah.

Pesachim, 116a #2: It implies that, when baking Maztah, the man should light the fire and his wife should bake the Matzos ? as is the custom when a poor man bakes bread. ⁵

Rashi #1 and Ramban: It is to remind us >a. that Yisrel left Egypt in haste, ¹ and therefore the dough did not have time to rise ² ; b. of the afflictions that they suffered in Egypt. (c. that the Egyptians fed Yisrael Lechem Oni in Egypt - Ramban ³ ).

Seforno: It reminds us that a. Yisrael were so hard-pressed in Egypt, that they did not have time to allow the dough to rise and were therefore forced to eat Matzah; b. Midah Keneged Midah, the redemption came about so fast that they did not have time for the dough to rise.

Pesachim, 36b: The Torah writes "Matzos" many times in the Torah to include Matzos made of the finest flour. ¹

Rashi: It refers to the eating of the Pesach and the Matzah mentioned earlier in the Pasuk.

Pesachim, 116b: It teaches us - via a Gezeirah Shavah "Lema'an Tizkor" "Zachor es Yom ha'Shabbos Lekadsho", in Yisro Sh'mos, 20:8, that it is a Mitzvah to mention Yetzi'as Mitzrayim when reciting Kidush. ¹

Rashi and B'rachos, 9a #1 (according to R. Elazar ben Azaryah): It refers to the Egyptians, who pressed Yisrael to leave immeditely.

Seforno, Targum Onkelos, Targum Yonasan and B'rachos, 9a #2 (according to R. Akiva): It refers to Yisrael, who left Egypt in the morning of the fifteenth in great haste. ¹

Rashi (in B'rachos, 21a): It is a Mitzvah min ha'Torah to mention Yetzi'as Mitzrayim twice daily, ¹ which we fulfill with the recital of 'Emes ve'Yatziv'. ²

Pesachim, 117b: We learn, via a Gezeirah Shavah ?Lema?an Tizkor? ?Zachor es Yom ha?Shabbos Lekadsho? ? in Yisro Sh?mos, 20:8 ? that one is obligated to mention Yetzi?as Mitzrayim in Kidush. ³

Rashi: It is the affliction that Yisrael left behind when they left Egypt that the Lechem Oni reminds us of.

Seforno: With reference to Pasuk 1 (the obligation to ensure that Nisan falls in the spring) - every time Beis-Din work out when Rosh Chodesh will fall and the leap-years so that Pesach will fall in the spring, ¹ they are fulfilling the Mitzvah of "Lema'an Tizkor ... ".

Rashi (citing the Sifri): It means poor bread ¹ - to preclude a dough kneaded ² with wine, oil or honey (which classifies as Matzah Ashirah).

Pesachim 115b: Just like an Oni has [only] part of a loaf, we too eat from a broken Matzah. ³

Pesachim 115b: Just like an Oni kindles the oven and his wife bakes (they work together, to prevent the oven from cooling and more wood will be needed) - we too, the man kindles and the woman bakes. ⁴

Pesachim 36a #1: It is Matzah that is permitted to an Onein (one who lost a relative on the same day - to preclude Ma'aser Sheini, which is forbidden to an Onein.

Pesachim 36a #3 (citing Shmuel): From the fact that we read it "Lechem Oni" - with a 'Vav' - ', we explain it to mean 'Lechem she'Onin alav Devarim Harbeh' ⁵ (Bread oever which we recite many things - Hagadah and Hallel, Shirah and Birchas ha'Mazon - Torah Temimah)..

Pesachim 36b #4: It precludes 'Chalut' - Matzah that was kneaded into a soft dough and scalded beforre being baked in an oven and 'Ashishah' a large Matzah, which fall under the category of Matzah Ashirah.

Pesachim 38a: We learn from a Gezerah Shavah "Lechem-Lechem" from Chalah ("mi'Lechem ha'Aretz") that, like the dough of Chalah must belong to you, so too must the Matzah belong to you - to preclude stolen Matzah. ⁶

B'rachos, 39b: It implies that one can be Yotzei the Mitzvah of Matzah with 'Kuva de'Ar'a' - Matzah that one baked by pouring flour and water into a hole that one dige in the floor of an oven. ⁷

Brachos 12b #1 (according to Ben Zoma): "Y'mei Chayecha" refers to the days; "Kol Y'mei Chayecha" includes the nights. ¹ Consequently, we mention Yetzi'as Mitzrayim at night - in Ma'ariv. ²

B'rachos 12b #2 (according to the Chachamim): "Y'mei Chayecha" refers to this world. "Kol Yemei Chayecha" includes the days of Mashi'ach. ³

Yerushalmi B'rachos, 3:1: The word "Y'mei" confines reciting the Sh'ma and wearing Tefilin to when one is dealing with the living, exempting someone whose dead is lying before him from reciting K'ri'as Sh'ma and from Tefilin. ⁴