ðə tɹˈuːθpɹɪzˈɜːvɪŋ kənˈɛktɪvz; ðeɪ ɹᵻtˈɜːn ðə tɹˈuːθ vˈæljuː tˈiː ˌʌndɚɹ ˌɛni ɪntˌɜːpɹɪtˈeɪʃən wˌɪtʃ ɐsˈaɪnz tˈiː tʊ ˈɔːl vˈɛɹɪəbəlz, ˈiː.dʒˈiː. .
The truth-preserving connectives; they return the truth value T under any interpretation which assigns T to all variables, e.g. .