We will prove one_third < 1.
We prove the intermediate claim H13R: one_third R.
An exact proof term for the current goal is one_third_in_R.
We prove the intermediate claim H23R: two_thirds R.
An exact proof term for the current goal is two_thirds_in_R.
We prove the intermediate claim H13S: SNo one_third.
An exact proof term for the current goal is (real_SNo one_third H13R).
We prove the intermediate claim H23S: SNo two_thirds.
An exact proof term for the current goal is (real_SNo two_thirds H23R).
We prove the intermediate claim H23lt1: two_thirds < 1.
An exact proof term for the current goal is (RltE_lt two_thirds 1 Rlt_two_thirds_1).
An exact proof term for the current goal is (SNoLt_tra one_third two_thirds 1 H13S H23S SNo_1 one_third_lt_two_thirds H23lt1).