 In some intuitive sense, it might seem that these statements share the same content. Thus, for example, what one believes when one assents to any of (2)–(4) might seem to be what one believes when one assents to (1). Even so, (1)–(4) contribute different semantic values to complex sentences in which they are embedded. What one believes when assenting to (1′) is not what one believes in assenting, say, to (2′):