Determine Whether the Statement Is True or False $A = \{ 1,3,5,7 \}$

question 102

True/False

Determine whether the statement is true or false.
Let $A = \{ 1,3,5,7 \}$
$\begin{array} { l } B = \{ 5,6,7,8 \} \\C = \{ 5,8 \} \\D = \{ 2,5,8 \} \\U = \{ 1,2,3,4,5,6,7,8 \}\end{array}$
- $C \subset D$

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Definitions:

Delta Waves

Low-frequency brain waves that are present during deep sleep and are associated with restorative sleep functions.

Insomnia

A sleep disorder characterized by difficulty falling asleep, staying asleep, or experiencing non-restorative sleep.

Difficulty Falling Asleep

A common sleep problem where individuals struggle to transition from wakefulness to sleep, also known as insomnia.

Cessation of Breathing

The complete stoppage of all breathing activities, often a critical health emergency.