Assertion: pulse | /r/HasProperty | absent
Facets:
Source sentences:
text: When their pulse is absent, you can’t feel it at all.
text: The oximeter detects the pulse, and then subtracts the intensity of color detected when the pulse is absent.
text: Many of these codes are bipolar codes, where the pulses can be positive, negative or absent.
text: Then, the device detects the pulse and then subtracts the detected color intensity if the pulse is absent.