Metamath Proof Explorer
Description: Closure law for reciprocal. (Contributed by SN, 25-Nov-2025)
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Ref |
Expression |
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Hypotheses |
sn-rereccld.a |
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sn-rereccld.z |
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Assertion |
sn-rereccld |
Could not format assertion : No typesetting found for |- ( ph -> ( 1 /R A ) e. RR ) with typecode |- |
Proof
| Step |
Hyp |
Ref |
Expression |
| 1 |
|
sn-rereccld.a |
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| 2 |
|
sn-rereccld.z |
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| 3 |
|
1red |
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| 4 |
3 1 2
|
sn-redivcld |
Could not format ( ph -> ( 1 /R A ) e. RR ) : No typesetting found for |- ( ph -> ( 1 /R A ) e. RR ) with typecode |- |