Metamath Proof Explorer


Theorem angmgmbas

Description: The base set of the angle addition magma. (Contributed by Thierry Arnoux, 31-Aug-2026)

Ref Expression
Hypotheses angmgmbas.p 𝑃 = ( Base ‘ 𝐺 )
angmgmbas.a 𝐴 = { 𝑑 ∈ ( 𝑃m ( 0 ..^ 3 ) ) ∣ ( ( 𝑑 ‘ 0 ) ≠ ( 𝑑 ‘ 1 ) ∧ ( 𝑑 ‘ 1 ) ≠ ( 𝑑 ‘ 2 ) ) }
angmgmbas.c = ( cgrA ‘ 𝐺 )
angmgmbas.j 𝐽 = ( AngMgm ‘ 𝐺 )
angmgmbas.g ( 𝜑𝐺 ∈ TarskiG )
Assertion angmgmbas ( 𝜑 → ( 𝐴 / ) = ( Base ‘ 𝐽 ) )

Proof

Step Hyp Ref Expression
1 angmgmbas.p 𝑃 = ( Base ‘ 𝐺 )
2 angmgmbas.a 𝐴 = { 𝑑 ∈ ( 𝑃m ( 0 ..^ 3 ) ) ∣ ( ( 𝑑 ‘ 0 ) ≠ ( 𝑑 ‘ 1 ) ∧ ( 𝑑 ‘ 1 ) ≠ ( 𝑑 ‘ 2 ) ) }
3 angmgmbas.c = ( cgrA ‘ 𝐺 )
4 angmgmbas.j 𝐽 = ( AngMgm ‘ 𝐺 )
5 angmgmbas.g ( 𝜑𝐺 ∈ TarskiG )
6 eqid ( Itv ‘ 𝐺 ) = ( Itv ‘ 𝐺 )
7 eqid ( dist ‘ 𝐺 ) = ( dist ‘ 𝐺 )
8 eqid ( LineG ‘ 𝐺 ) = ( LineG ‘ 𝐺 )
9 eqid ( 𝑒𝐴 , 𝑓𝐴 ↦ if ( ( 𝑒 ‘ 0 ) ∈ ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) , ⟨“ ( 𝑓 ‘ 0 ) ( 𝑓 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑓 ‘ 2 ) ( 𝑓 ‘ 1 ) 𝑧 ”⟩ 𝑒 ∧ ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ) ”⟩ , ⟨“ ( 𝑒 ‘ 0 ) ( 𝑒 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑒 ‘ 2 ) ( 𝑒 ‘ 1 ) 𝑧 ”⟩ 𝑓 ∧ ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑓 ‘ 0 ) ) ∧ ( ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) ∩ ( 𝑧 ( Itv ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ≠ ∅ ) ) ”⟩ ) ) = ( 𝑒𝐴 , 𝑓𝐴 ↦ if ( ( 𝑒 ‘ 0 ) ∈ ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) , ⟨“ ( 𝑓 ‘ 0 ) ( 𝑓 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑓 ‘ 2 ) ( 𝑓 ‘ 1 ) 𝑧 ”⟩ 𝑒 ∧ ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ) ”⟩ , ⟨“ ( 𝑒 ‘ 0 ) ( 𝑒 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑒 ‘ 2 ) ( 𝑒 ‘ 1 ) 𝑧 ”⟩ 𝑓 ∧ ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑓 ‘ 0 ) ) ∧ ( ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) ∩ ( 𝑧 ( Itv ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ≠ ∅ ) ) ”⟩ ) )
10 eqid ( ≤𝐺 ) = ( ≤𝐺 )
11 1 2 6 7 3 8 9 4 10 angmgmval ( 𝐺 ∈ TarskiG → 𝐽 = ( { ⟨ ( Base ‘ ndx ) , 𝐴 ⟩ , ⟨ ( +g ‘ ndx ) , ( 𝑒𝐴 , 𝑓𝐴 ↦ if ( ( 𝑒 ‘ 0 ) ∈ ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) , ⟨“ ( 𝑓 ‘ 0 ) ( 𝑓 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑓 ‘ 2 ) ( 𝑓 ‘ 1 ) 𝑧 ”⟩ 𝑒 ∧ ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ) ”⟩ , ⟨“ ( 𝑒 ‘ 0 ) ( 𝑒 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑒 ‘ 2 ) ( 𝑒 ‘ 1 ) 𝑧 ”⟩ 𝑓 ∧ ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑓 ‘ 0 ) ) ∧ ( ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) ∩ ( 𝑧 ( Itv ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ≠ ∅ ) ) ”⟩ ) ) ⟩ , ⟨ ( le ‘ ndx ) , ( ≤𝐺 ) ⟩ } /s ) )
12 5 11 syl ( 𝜑𝐽 = ( { ⟨ ( Base ‘ ndx ) , 𝐴 ⟩ , ⟨ ( +g ‘ ndx ) , ( 𝑒𝐴 , 𝑓𝐴 ↦ if ( ( 𝑒 ‘ 0 ) ∈ ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) , ⟨“ ( 𝑓 ‘ 0 ) ( 𝑓 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑓 ‘ 2 ) ( 𝑓 ‘ 1 ) 𝑧 ”⟩ 𝑒 ∧ ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ) ”⟩ , ⟨“ ( 𝑒 ‘ 0 ) ( 𝑒 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑒 ‘ 2 ) ( 𝑒 ‘ 1 ) 𝑧 ”⟩ 𝑓 ∧ ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑓 ‘ 0 ) ) ∧ ( ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) ∩ ( 𝑧 ( Itv ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ≠ ∅ ) ) ”⟩ ) ) ⟩ , ⟨ ( le ‘ ndx ) , ( ≤𝐺 ) ⟩ } /s ) )
13 ovex ( 𝑃m ( 0 ..^ 3 ) ) ∈ V
14 2 13 rabex2 𝐴 ∈ V
15 1nn 1 ∈ ℕ
16 basendx ( Base ‘ ndx ) = 1
17 1lt2 1 < 2
18 2nn 2 ∈ ℕ
19 plusgndx ( +g ‘ ndx ) = 2
20 2lt10 2 < 1 0
21 10nn 1 0 ∈ ℕ
22 plendx ( le ‘ ndx ) = 1 0
23 15 16 17 18 19 20 21 22 strle3 { ⟨ ( Base ‘ ndx ) , 𝐴 ⟩ , ⟨ ( +g ‘ ndx ) , ( 𝑒𝐴 , 𝑓𝐴 ↦ if ( ( 𝑒 ‘ 0 ) ∈ ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) , ⟨“ ( 𝑓 ‘ 0 ) ( 𝑓 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑓 ‘ 2 ) ( 𝑓 ‘ 1 ) 𝑧 ”⟩ 𝑒 ∧ ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ) ”⟩ , ⟨“ ( 𝑒 ‘ 0 ) ( 𝑒 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑒 ‘ 2 ) ( 𝑒 ‘ 1 ) 𝑧 ”⟩ 𝑓 ∧ ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑓 ‘ 0 ) ) ∧ ( ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) ∩ ( 𝑧 ( Itv ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ≠ ∅ ) ) ”⟩ ) ) ⟩ , ⟨ ( le ‘ ndx ) , ( ≤𝐺 ) ⟩ } Struct ⟨ 1 , 1 0 ⟩
24 baseid Base = Slot ( Base ‘ ndx )
25 snsstp1 { ⟨ ( Base ‘ ndx ) , 𝐴 ⟩ } ⊆ { ⟨ ( Base ‘ ndx ) , 𝐴 ⟩ , ⟨ ( +g ‘ ndx ) , ( 𝑒𝐴 , 𝑓𝐴 ↦ if ( ( 𝑒 ‘ 0 ) ∈ ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) , ⟨“ ( 𝑓 ‘ 0 ) ( 𝑓 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑓 ‘ 2 ) ( 𝑓 ‘ 1 ) 𝑧 ”⟩ 𝑒 ∧ ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ) ”⟩ , ⟨“ ( 𝑒 ‘ 0 ) ( 𝑒 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑒 ‘ 2 ) ( 𝑒 ‘ 1 ) 𝑧 ”⟩ 𝑓 ∧ ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑓 ‘ 0 ) ) ∧ ( ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) ∩ ( 𝑧 ( Itv ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ≠ ∅ ) ) ”⟩ ) ) ⟩ , ⟨ ( le ‘ ndx ) , ( ≤𝐺 ) ⟩ }
26 23 24 25 strfv ( 𝐴 ∈ V → 𝐴 = ( Base ‘ { ⟨ ( Base ‘ ndx ) , 𝐴 ⟩ , ⟨ ( +g ‘ ndx ) , ( 𝑒𝐴 , 𝑓𝐴 ↦ if ( ( 𝑒 ‘ 0 ) ∈ ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) , ⟨“ ( 𝑓 ‘ 0 ) ( 𝑓 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑓 ‘ 2 ) ( 𝑓 ‘ 1 ) 𝑧 ”⟩ 𝑒 ∧ ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ) ”⟩ , ⟨“ ( 𝑒 ‘ 0 ) ( 𝑒 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑒 ‘ 2 ) ( 𝑒 ‘ 1 ) 𝑧 ”⟩ 𝑓 ∧ ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑓 ‘ 0 ) ) ∧ ( ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) ∩ ( 𝑧 ( Itv ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ≠ ∅ ) ) ”⟩ ) ) ⟩ , ⟨ ( le ‘ ndx ) , ( ≤𝐺 ) ⟩ } ) )
27 14 26 mp1i ( 𝜑𝐴 = ( Base ‘ { ⟨ ( Base ‘ ndx ) , 𝐴 ⟩ , ⟨ ( +g ‘ ndx ) , ( 𝑒𝐴 , 𝑓𝐴 ↦ if ( ( 𝑒 ‘ 0 ) ∈ ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) , ⟨“ ( 𝑓 ‘ 0 ) ( 𝑓 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑓 ‘ 2 ) ( 𝑓 ‘ 1 ) 𝑧 ”⟩ 𝑒 ∧ ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ) ”⟩ , ⟨“ ( 𝑒 ‘ 0 ) ( 𝑒 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑒 ‘ 2 ) ( 𝑒 ‘ 1 ) 𝑧 ”⟩ 𝑓 ∧ ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑓 ‘ 0 ) ) ∧ ( ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) ∩ ( 𝑧 ( Itv ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ≠ ∅ ) ) ”⟩ ) ) ⟩ , ⟨ ( le ‘ ndx ) , ( ≤𝐺 ) ⟩ } ) )
28 3 fvexi ∈ V
29 28 a1i ( 𝜑 ∈ V )
30 tpex { ⟨ ( Base ‘ ndx ) , 𝐴 ⟩ , ⟨ ( +g ‘ ndx ) , ( 𝑒𝐴 , 𝑓𝐴 ↦ if ( ( 𝑒 ‘ 0 ) ∈ ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) , ⟨“ ( 𝑓 ‘ 0 ) ( 𝑓 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑓 ‘ 2 ) ( 𝑓 ‘ 1 ) 𝑧 ”⟩ 𝑒 ∧ ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ) ”⟩ , ⟨“ ( 𝑒 ‘ 0 ) ( 𝑒 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑒 ‘ 2 ) ( 𝑒 ‘ 1 ) 𝑧 ”⟩ 𝑓 ∧ ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑓 ‘ 0 ) ) ∧ ( ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) ∩ ( 𝑧 ( Itv ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ≠ ∅ ) ) ”⟩ ) ) ⟩ , ⟨ ( le ‘ ndx ) , ( ≤𝐺 ) ⟩ } ∈ V
31 30 a1i ( 𝜑 → { ⟨ ( Base ‘ ndx ) , 𝐴 ⟩ , ⟨ ( +g ‘ ndx ) , ( 𝑒𝐴 , 𝑓𝐴 ↦ if ( ( 𝑒 ‘ 0 ) ∈ ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) , ⟨“ ( 𝑓 ‘ 0 ) ( 𝑓 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑓 ‘ 2 ) ( 𝑓 ‘ 1 ) 𝑧 ”⟩ 𝑒 ∧ ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ) ”⟩ , ⟨“ ( 𝑒 ‘ 0 ) ( 𝑒 ‘ 1 ) ( 𝑧𝑃 ( ⟨“ ( 𝑒 ‘ 2 ) ( 𝑒 ‘ 1 ) 𝑧 ”⟩ 𝑓 ∧ ( ( 𝑒 ‘ 1 ) ( dist ‘ 𝐺 ) 𝑧 ) = ( ( 𝑓 ‘ 1 ) ( dist ‘ 𝐺 ) ( 𝑓 ‘ 0 ) ) ∧ ( ( ( 𝑒 ‘ 1 ) ( LineG ‘ 𝐺 ) ( 𝑒 ‘ 2 ) ) ∩ ( 𝑧 ( Itv ‘ 𝐺 ) ( 𝑒 ‘ 0 ) ) ) ≠ ∅ ) ) ”⟩ ) ) ⟩ , ⟨ ( le ‘ ndx ) , ( ≤𝐺 ) ⟩ } ∈ V )
32 12 27 29 31 qusbas ( 𝜑 → ( 𝐴 / ) = ( Base ‘ 𝐽 ) )