how to say

[Fatum]

Is it correct to say: if he is at home or if he is home?

[Our Tort System]

Hello,
Please refer to this explanation by Alan.
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[Haihao]

Both are perfectly correct in grammar and common in usage any way. Except for a less than slight difference in meaning from the former, nothing wrong can be possibly found with "if he is home" as far as the English language is concerned.