Conclusion Indicators. ThusThereforeHenceThis shows thatThis suggests that. ConsequentlySoAccordinglyThis implies thatThis proves that. Premise Indicators. SinceBecauseForIn view ofThis is implied by. Arguments. Good: Justifies acceptance of the conclusionValid: If the premises are true, the conclusion must be trueSound: All premises are trueStrong: Unlikely that if the premises are true the conclusion is false.