The staircase receives four reported counts. The narrator counts seventeen, then nineteen; his hands report twenty-three. His son supplies twenty while going up. None is an independent measurement that settles the others. The narrator's separate claim to have three hands remains outside the stair comparison. It cannot be made into another stair total just because it is another number.
A second disagreement concerns the word no. The clerk asks whether he accepts. He asks whether his account will ever close. She selects the refusal; he keeps asserting that closure will not come. His mother's mouth moves while the answer acquires a meaning he disputes. That conflict is visible without making his claim a universal rule for every account in the city.
The final proof begins with an understandable world and continued payment, then asserts a shortest true description. Adding another true sentence produces a longer description. He calls that a contradiction, though the longer version does not disprove a shortest one. The repeated therefore supplies no further conclusion. The formal failure remains, along with another question: why does this speaker need the conclusion to follow?