解答法を教えて---アキレスとカメ 「かけ足の選手アキレスがカメに追いつこうとして走っている。カメの出発点にアキレスが来たとき, カメは少し先へ動いている。さらにその位置までアキレスが来たとき, カメはまた少し先へ 動いている。」 **Chart/Diagram Description:** * **Type:** Sequential diagrams illustrating movement along a line. * **Main Elements:** * Three horizontal lines represent a path, with arrows pointing right indicating the direction of movement. * A runner figure (Achilles) and a tortoise figure are shown on the path. * Yellow arrows above the figures also indicate movement to the right. * Black dots mark specific positions. * Vertical dashed lines connect corresponding positions across the sequences. * Labels: A1, A2, A3 mark positions on the path. * **Top Sequence:** Achilles is positioned left. The tortoise is positioned right, marked at point A1. Arrows indicate movement to the right for both. * **Middle Sequence:** Achilles is now at the position marked A1. A dashed line connects this position to A1 in the top sequence. The tortoise has moved further right to a new position marked A2. * **Bottom Sequence:** Achilles is now at the position marked A2. A dashed line connects this position to A2 in the middle sequence. The tortoise has moved further right to a new position marked A3. 問題: アキレスはカメに永久に追いつくことが出来ないか？