1. “Every proper name is a diptote”: false. «زَيْدٌ» is fully declinable.
2. “Every adjective is a diptote”: false. The book cites «أَرْبَعٍ» as a counterexample.
3. “Every visible fatḥa means accusative”: false. Both «بِعُمَرَ» and «أُخَرَ» can be genitive with fatḥa.
4. “Any change of form is ʿadl”: false. It is a defined technical cause.
For each word, separately explain cause, syntactic case, and case marker.
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Causes of Diptote Status — ʿAdl and Waṣf
1. “Every proper name is a diptote”: false. «زَيْدٌ» is fully declinable.
2. “Every adjective is a diptote”: false. The book cites «أَرْبَعٍ» as a counterexample.
3. “Every visible fatḥa means accusative”: false. Both «بِعُمَرَ» and «أُخَرَ» can be genitive with fatḥa.
4. “Any change of form is ʿadl”: false. It is a defined technical cause.
For each word, separately explain cause, syntactic case, and case marker.