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Mirrors > Home > MPE Home > Th. List > df-1nq | Structured version Visualization version GIF version |
Description: Define positive fraction constant 1. This is a "temporary" set used in the construction of complex numbers df-c 9821, and is intended to be used only by the construction. From Proposition 9-2.2 of [Gleason] p. 117. (Contributed by NM, 29-Oct-1995.) (New usage is discouraged.) |
Ref | Expression |
---|---|
df-1nq | ⊢ 1Q = 〈1𝑜, 1𝑜〉 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | c1q 9554 | . 2 class 1Q | |
2 | c1o 7440 | . . 3 class 1𝑜 | |
3 | 2, 2 | cop 4131 | . 2 class 〈1𝑜, 1𝑜〉 |
4 | 1, 3 | wceq 1475 | 1 wff 1Q = 〈1𝑜, 1𝑜〉 |
Colors of variables: wff setvar class |
This definition is referenced by: 1nq 9629 1nqenq 9663 mulidnq 9664 1lt2nq 9674 prlem934 9734 |
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