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Mirrors > Home > MPE Home > Th. List > df-ur | Unicode version |
Description: Define the multiplicative
neutral element of a ring. This definition
works by extracting the ![]() |
Ref | Expression |
---|---|
df-ur |
![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cur 15617 |
. 2
![]() ![]() | |
2 | c0g 13678 |
. . 3
![]() ![]() | |
3 | cmgp 15603 |
. . 3
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4 | 2, 3 | ccom 4841 |
. 2
![]() ![]() ![]() ![]() ![]() |
5 | 1, 4 | wceq 1649 |
1
![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Colors of variables: wff set class |
This definition is referenced by: rngidval 15621 prds1 15675 pws1 15677 |
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