- #1
persian52
- 13
- 0
1. Among the following sets, identify all pairs of equal sets? What is the cardinality of each one
of the sets?
a) ∅
b) {∅}
c) {{∅}}
d) {∅,{∅}}
e) {∅} [itex]\bigcap[/itex] {{∅}}
f) {{∅},∅}
I would truly appreciate if you explain a bit.
Thank you in advance.
_____________________________________________
my answer:
a) Zero
b) one
c) one
d) two
e) not sure but i think it's two or zero.?
f) two
of the sets?
a) ∅
b) {∅}
c) {{∅}}
d) {∅,{∅}}
e) {∅} [itex]\bigcap[/itex] {{∅}}
f) {{∅},∅}
I would truly appreciate if you explain a bit.
Thank you in advance.
_____________________________________________
my answer:
a) Zero
b) one
c) one
d) two
e) not sure but i think it's two or zero.?
f) two