đpcm
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
initialism of điều phải chứng minh: Q.E.D.
Where it’s used:
Used
Toàn quốc & hải ngoại · Vietnam-wide & diaspora
Examples
Vậy tam giác ABC vuông tại A (đpcm)Conclusion: triangle ABC is right-angled at A (Q.E.D.)
Wiktionary example (CC BY-SA 4.0)
Sources & notes
Imported from Wiktionary (CC BY-SA 4.0, retrieved 2026-07-29); community review pending. source ↗
Common questions
What does “đpcm” mean?
initialism of điều phải chứng minh: Q.E.D.
Is “đpcm” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.