Take the following as truth: I will put down my little case until I need it." He did so, on the round table by the window, but it was an illadvised proceeding; for, the top of it being loose, it tilted up, and precipitated the despatch-case on the floor. 
Then the following statement: "He had left his case safely at home that day." is true, false, or inconclusive?
Answer: False