1] The Rambam [succah 6-3] paskens that a tumtum and androginus don't make a bracha on succah b/c they are only חייב מספק.
Yes - but ספיקא דאורייתא לחומרא so they are absolutely חייב. Why shouldn’t they make a bracha??!!!
2] The Rambam paskens [Krias Shma 2-3] that if one is in doubt as to whether he read Shma then he reads w/ brachos.
If the Rambam doesn’t allow safek brachos [like by succah] then why by Krias Shma yes??
3] Rambam -
אוֹכְלִין וְשׁוֹתִין וִישֵׁנִים בַּסֻּכָּה כָּל שִׁבְעָה בֵּין בַּיּוֹם וּבֵין בַּלַּיְלָה. וְאָסוּר לֶאֱכל סְעֻדָּה חוּץ לַסֻכָּה כָּל שִׁבְעָה אֶלָּא אִם אָכַל אֲכִילַת עֲרַאי כְּבֵיצָה אוֹ פָּחוֹת אוֹ יֶתֶר מְעַט. וְאֵין יְשֵׁנִים חוּץ לַסֻכָּה אֲפִלּוּ שְׁנַת עֲרַאי. וּמֻתָּר לִשְׁתּוֹת מַיִם וְלֶאֱכל פֵּרוֹת חוּץ לַסֻּכָּה. וּמִי שֶׁיַּחֲמִיר עַל עַצְמוֹ וְלֹא יִשְׁתֶּה חוּץ לַסֻכָּה אֲפִלּוּ מַיִם הֲרֵי זֶה מְשֻׁבָּח
We should eat, drink, and sleep in the sukkah through the entire seven days [of the festival], both during the day and at night. It is forbidden to eat a meal outside the sukkah for the entire seven [day period]. However, [there is no prohibition] if one eats a snack the measure of a k'beitzah or less, or even slightly more.
One may not sleep outside the sukkah at all, even a brief nap. It is permissible to drink water and eat fruit outside the sukkah. However, a person who follows the stringency of not drinking even water outside the sukkah is worthy of praise.
Now on the first night the חיוב אכילה in the succah is a כזית [as חיובי אכילה always are] yet the Rambam implies that the איסור אכילה EVEN ON THE FIRST NIGHT is a כביצה. If the חיוב אכילה בסוכה is a כזית shouldn’t the איסור also be the same shiur??
