पूर्वेण पश्चिमस्यानुपपत्तिर्व्याघातः ॥ कZ_०२.१०.५९ ॥
pūrveṇa paścimasyānupapattir vyāghātaḥ
ಮೊದಲು ಹೇಳಿದುದಕ್ಕೆ ನಂತರ ಹೇಳಿದ್ದು ಹೊಂದಿಕೆಯಾಗದಿರುವುದು—ವ್ಯಾಘಾತ (ವಿರೋಧ).
It demands internal consistency: later clauses must not negate earlier clauses, otherwise the document becomes unenforceable or litigable.