The valid conclusion that can be made from these premises that are contained here based on inference is that it rained on thursday so i took the day off.
T(C) ; I took day C off
N: It rains
M: It would snow
The statement would be written as:
1. if i take the day off, it either rains or snows.
∀cD(c) → (N v M)
2. i took tuesday off or i took thursday off.
D(Tues) v D(Thurs)
3. sunny on thursday:
This implies that there was no rain and no snow.
4. No snow on thursday
From inference,
I did not take tuesday as an off day
¬D(Tues)
I took thursday off: D thurs
From the inference the valid conclusion that can be made here is that I took thursday off.
Read more on rules of inference here: https://brainly.com/question/6770971