The History Paper

A) Premise 1: You haven’t encountered any traps or other safety hazards in the corridors you’ve been down already
Premise 2: This corridor doesn’t appear to be any different
Therefore: It’s safe to run down it


B) Premise 1: You haven’t encountered any traps or safety hazards
Therefore: There are definitely no traps or safety concerns, so it’s safe to run down the halls at full speed


C) Premise 1: Chase has been here before
Premise 2: He has a good memory
Premise 3: Chase is an honest person
Therefore: He would remember if there were any traps and would tell you if it was dangerous, so you should take his advice


D) Premise 1a: It is dark in the corridor
Premise 2a: You cannot see as well in the dark
Therefore (a): There may be something you cannot see

Premise 1b: You haven’t encountered any traps or other safety hazards in the corridors you’ve been down already.
Premise 2b: This corridor doesn’t appear to be any different
Therefore (b): There are likely no traps in this section

General Conclusion: There are likely no traps in this section, however, there may be something you cannot see, so you should proceed with caution.