Description
Whitehead problem
the problem of whether an abelian group 𝐴 satisfying Ext¹(𝐴,ℤ)=0 is necessarily free, now known to be independent of ZFC
English Phonetic Transcription
This tool is the online converter of English text to IPA phonetic transcription. Paste or type English text in the text field, and Click the "Transcribe" button. Click the "Speak" button, and listen to the sound of input text in browsers that support TTS (Chrome, Safari, Firefox). Copy the transcription in multiple formats by the "Copy" button and three options ("Transcription only", "Word by word", "Line by line").
The two most common English dialects are supported:
- British pronunciations are compiled from various sources (wiktionary etc.), including parts of speech.
- American pronunciations are compiled from various sources (CMU pronunciation dictionary, wiktionary, etc.), including parts of speech.