Theorem mirne 26453

Description: Mirror of non-center point cannot be the center point. (Contributed by Thierry Arnoux, 27-Sep-2020.)

Hypotheses

Ref	Expression
mirval.p	⊢ 𝑃 = (Base‘𝐺)
mirval.d	⊢ − = (dist‘𝐺)
mirval.i	⊢ 𝐼 = (Itv‘𝐺)
mirval.l	⊢ 𝐿 = (LineG‘𝐺)
mirval.s	⊢ 𝑆 = (pInvG‘𝐺)
mirval.g	⊢ (𝜑 → 𝐺 ∈ TarskiG)
mirval.a	⊢ (𝜑 → 𝐴 ∈ 𝑃)
mirfv.m	⊢ 𝑀 = (𝑆‘𝐴)
mirinv.b	⊢ (𝜑 → 𝐵 ∈ 𝑃)
mirne.1	⊢ (𝜑 → 𝐵 ≠ 𝐴)

Assertion

Ref	Expression
mirne	⊢ (𝜑 → (𝑀‘𝐵) ≠ 𝐴)

Proof of Theorem mirne

Step	Hyp	Ref	Expression
1		simpr 487	. . . . 5 ⊢ ((𝜑 ∧ (𝑀‘𝐵) = 𝐴) → (𝑀‘𝐵) = 𝐴)
2	1	fveq2d 6674	. . . 4 ⊢ ((𝜑 ∧ (𝑀‘𝐵) = 𝐴) → (𝑀‘(𝑀‘𝐵)) = (𝑀‘𝐴))
3		mirval.p	. . . . . 6 ⊢ 𝑃 = (Base‘𝐺)
4		mirval.d	. . . . . 6 ⊢ − = (dist‘𝐺)
5		mirval.i	. . . . . 6 ⊢ 𝐼 = (Itv‘𝐺)
6		mirval.l	. . . . . 6 ⊢ 𝐿 = (LineG‘𝐺)
7		mirval.s	. . . . . 6 ⊢ 𝑆 = (pInvG‘𝐺)
8		mirval.g	. . . . . 6 ⊢ (𝜑 → 𝐺 ∈ TarskiG)
9		mirval.a	. . . . . 6 ⊢ (𝜑 → 𝐴 ∈ 𝑃)
10		mirfv.m	. . . . . 6 ⊢ 𝑀 = (𝑆‘𝐴)
11		mirinv.b	. . . . . 6 ⊢ (𝜑 → 𝐵 ∈ 𝑃)
12	3, 4, 5, 6, 7, 8, 9, 10, 11	mirmir 26448	. . . . 5 ⊢ (𝜑 → (𝑀‘(𝑀‘𝐵)) = 𝐵)
13	12	adantr 483	. . . 4 ⊢ ((𝜑 ∧ (𝑀‘𝐵) = 𝐴) → (𝑀‘(𝑀‘𝐵)) = 𝐵)
14		eqid 2821	. . . . . 6 ⊢ 𝐴 = 𝐴
15	3, 4, 5, 6, 7, 8, 9, 10, 9	mirinv 26452	. . . . . 6 ⊢ (𝜑 → ((𝑀‘𝐴) = 𝐴 ↔ 𝐴 = 𝐴))
16	14, 15	mpbiri 260	. . . . 5 ⊢ (𝜑 → (𝑀‘𝐴) = 𝐴)
17	16	adantr 483	. . . 4 ⊢ ((𝜑 ∧ (𝑀‘𝐵) = 𝐴) → (𝑀‘𝐴) = 𝐴)
18	2, 13, 17	3eqtr3d 2864	. . 3 ⊢ ((𝜑 ∧ (𝑀‘𝐵) = 𝐴) → 𝐵 = 𝐴)
19		mirne.1	. . . . 5 ⊢ (𝜑 → 𝐵 ≠ 𝐴)
20	19	adantr 483	. . . 4 ⊢ ((𝜑 ∧ (𝑀‘𝐵) = 𝐴) → 𝐵 ≠ 𝐴)
21	20	neneqd 3021	. . 3 ⊢ ((𝜑 ∧ (𝑀‘𝐵) = 𝐴) → ¬ 𝐵 = 𝐴)
22	18, 21	pm2.65da 815	. 2 ⊢ (𝜑 → ¬ (𝑀‘𝐵) = 𝐴)
23	22	neqned 3023	1 ⊢ (𝜑 → (𝑀‘𝐵) ≠ 𝐴)

Syntax hints:   → wi 4   ∧ wa 398   = wceq 1537   ∈ wcel 2114   ≠ wne 3016  ‘cfv 6355  Basecbs 16483  distcds 16574  TarskiGcstrkg 26216  Itvcitv 26222  LineGclng 26223  pInvGcmir 26438

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2793  ax-rep 5190  ax-sep 5203  ax-nul 5210  ax-pr 5330

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-mo 2622  df-eu 2654  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ne 3017  df-ral 3143  df-rex 3144  df-reu 3145  df-rmo 3146  df-rab 3147  df-v 3496  df-sbc 3773  df-csb 3884  df-dif 3939  df-un 3941  df-in 3943  df-ss 3952  df-nul 4292  df-if 4468  df-pw 4541  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4839  df-iun 4921  df-br 5067  df-opab 5129  df-mpt 5147  df-id 5460  df-xp 5561  df-rel 5562  df-cnv 5563  df-co 5564  df-dm 5565  df-rn 5566  df-res 5567  df-ima 5568  df-iota 6314  df-fun 6357  df-fn 6358  df-f 6359  df-f1 6360  df-fo 6361  df-f1o 6362  df-fv 6363  df-riota 7114  df-ov 7159  df-trkgc 26234  df-trkgb 26235  df-trkgcb 26236  df-trkg 26239  df-mir 26439

This theorem is referenced by:  mirhl2  26467  sacgr  26617