It is a condition precedent to every right action.

真理是每一次正确举动的先决条件。

Any and all modifications of this Agreement shall be made in writing and must be executed by all parties as a condition precedent to implementation of such a modification.

对本协定的任何修改均要采取书面形式作为先决条件，修改后的条款各方都必须要遵守和实行。

Where by this clause any dispute or difference is to be referred to arbitration the making of an award shall be a condition precedent to any right of action by either party against the other.

一旦按本条款之规定将争议或分歧提交仲裁，必须待作出裁定后，一方当事人方享有对另一方当事人提起诉讼的权利。

The second part states the demolition condition and typical precedent then classify these disputes, to facilitate the analysis below.

第二部分是对拆迁现状和典型案例的陈述，并对这些拆迁纠纷加以分类，方便下文的分析。