The Sufficient (Vol 3) · Hadith 315 (#Ḥadīth #2)
Chapter 43 | One’s Experiencing Carnal Relations and Having Only Ice
2ـ عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ رَفَعَهُ قَالَ قَالَ إِنْ أَجْنَبَ فَعَلَيْهِ أَنْ يَغْتَسِلَ عَلَى مَا كَانَ عَلَيْهِ وَإِنِ احْتَلَمَ تَيَمَّمَ.
2. Ali ibn Ibrahim has narrated from his father in a marfu‘ manner the following: “(He (the Imam) , has said, ‘If he experiences sexual relation, he must take Ghusl (bath), but if it is a wet dream, he must take Tayammum.’”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).