[inigo montoya]

The other day I was perusing my case book before a game. I came across something which puzzled me then and then my partner when I asked him. I was using the 07-08 books, but copied from the 06-07 for convenience (07-08 is not handy and i couldn't copy/paste anyway).

4.25.2 Situation:
A1 jumps to try for goal or to pass the ball.B1 leaps or reaches and is able to put his/her hands on the ball and keep A1 from releasing it. A1: (a) returns to the floor with the ball; or (b) is unable to control the ball and it drops to the floor.
Ruling: A held ball results immediately in (a) and (b) when airborne A1 is prevented from releasing the ball to pass or try for goal.

4.44.3 Situation A:
A1 jumps to try for goal. B1 also jumps and: (a) slaps the ball out of A1’s hands; (b) touches the ball but does not prevent A1 from releasing the ball; (c) touches the ball and A1 returns to the floor holding the ball; or (d) touches the ball and A1 drops it to the floor and touches it first after it bounces.
Ruling: In (a) and (b), the ball remains live. In (c), a traveling violation. In (d), a violation for starting a dribble with the pivot foot off the floor. Since the touching did not prevent the pass or try in (b), (c) and (d), the ball remains live and subsequent action is covered by rules which apply to the situation.

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What is the difference in 4.25.2(a) & 4.44.3sitA(c) and 4.25.2(b) and 4.44.3sitA(d)?