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Determining subset relations

Determine the inclusion relations between the sets:

• $A = \{ 1, -1 \}.$
• $B = \{ 1 \}.$
• $C = \{ 1 \}.$
• $D = \{ 2 \}.$
• $E = \{ 1, -17 \}.$
• $F = \{ 1,-17,-8-\sqrt{47},-8+\sqrt{47} \}.$

The relations are:

• $A \subseteq A,$
• $B \subseteq A,$
• $B \subseteq B,$
• $B \subseteq C,$
• $B \subseteq E,$
• $B \subseteq F,$
• $C \subseteq A,$
• $C \subseteq B,$
• $C \subseteq C,$
• $C \subseteq E,$
• $C \subseteq F,$
• $D \subseteq D,$
• $E \subseteq E,$
• $E \subseteq F,$
• $F \subseteq F.$