Metamath Proof Explorer


Theorem odrngle

Description: The order of an ordered metric ring. (Contributed by Mario Carneiro, 20-Aug-2015)

Ref Expression
Hypothesis odrngstr.w ⊢ W = Base ndx B + ndx + ˙ ⋅ ndx · ˙ ∪ TopSet ⁡ ndx J ≤ ndx ≤ ˙ dist ⁡ ndx D
Assertion odrngle ⊢ ≤ ˙ ∈ V → ≤ ˙ = ≤ W

Proof

Step Hyp Ref Expression
1 odrngstr.w ⊢ W = Base ndx B + ndx + ˙ ⋅ ndx · ˙ ∪ TopSet ⁡ ndx J ≤ ndx ≤ ˙ dist ⁡ ndx D
2 1 odrngstr ⊢ W Struct 1 12
3 pleid ⊢ le = Slot ≤ ndx
4 snsstp2 ⊢ ≤ ndx ≤ ˙ ⊆ TopSet ⁡ ndx J ≤ ndx ≤ ˙ dist ⁡ ndx D
5 ssun2 ⊢ TopSet ⁡ ndx J ≤ ndx ≤ ˙ dist ⁡ ndx D ⊆ Base ndx B + ndx + ˙ ⋅ ndx · ˙ ∪ TopSet ⁡ ndx J ≤ ndx ≤ ˙ dist ⁡ ndx D
6 5 1 sseqtrri ⊢ TopSet ⁡ ndx J ≤ ndx ≤ ˙ dist ⁡ ndx D ⊆ W
7 4 6 sstri ⊢ ≤ ndx ≤ ˙ ⊆ W
8 2 3 7 strfv ⊢ ≤ ˙ ∈ V → ≤ ˙ = ≤ W