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Mirrors > Home > MPE Home > Th. List > Mathboxes > re1m1e0m0 | Structured version Visualization version GIF version |
Description: Equality of two left-additive identities. See resubidaddid1 39300. Uses ax-i2m1 10602. (Contributed by SN, 25-Dec-2023.) |
Ref | Expression |
---|---|
re1m1e0m0 | ⊢ (1 −ℝ 1) = (0 −ℝ 0) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0red 10641 | . . 3 ⊢ (⊤ → 0 ∈ ℝ) | |
2 | 1re 10638 | . . . . 5 ⊢ 1 ∈ ℝ | |
3 | rersubcl 39283 | . . . . 5 ⊢ ((1 ∈ ℝ ∧ 1 ∈ ℝ) → (1 −ℝ 1) ∈ ℝ) | |
4 | 2, 2, 3 | mp2an 690 | . . . 4 ⊢ (1 −ℝ 1) ∈ ℝ |
5 | 4 | a1i 11 | . . 3 ⊢ (⊤ → (1 −ℝ 1) ∈ ℝ) |
6 | ax-icn 10593 | . . . . . . . 8 ⊢ i ∈ ℂ | |
7 | 6, 6 | mulcli 10645 | . . . . . . 7 ⊢ (i · i) ∈ ℂ |
8 | ax-1cn 10592 | . . . . . . 7 ⊢ 1 ∈ ℂ | |
9 | 4 | recni 10652 | . . . . . . 7 ⊢ (1 −ℝ 1) ∈ ℂ |
10 | 7, 8, 9 | addassi 10648 | . . . . . 6 ⊢ (((i · i) + 1) + (1 −ℝ 1)) = ((i · i) + (1 + (1 −ℝ 1))) |
11 | repncan3 39288 | . . . . . . . 8 ⊢ ((1 ∈ ℝ ∧ 1 ∈ ℝ) → (1 + (1 −ℝ 1)) = 1) | |
12 | 2, 2, 11 | mp2an 690 | . . . . . . 7 ⊢ (1 + (1 −ℝ 1)) = 1 |
13 | 12 | oveq2i 7164 | . . . . . 6 ⊢ ((i · i) + (1 + (1 −ℝ 1))) = ((i · i) + 1) |
14 | 10, 13 | eqtri 2843 | . . . . 5 ⊢ (((i · i) + 1) + (1 −ℝ 1)) = ((i · i) + 1) |
15 | ax-i2m1 10602 | . . . . . 6 ⊢ ((i · i) + 1) = 0 | |
16 | 15 | oveq1i 7163 | . . . . 5 ⊢ (((i · i) + 1) + (1 −ℝ 1)) = (0 + (1 −ℝ 1)) |
17 | 14, 16, 15 | 3eqtr3i 2851 | . . . 4 ⊢ (0 + (1 −ℝ 1)) = 0 |
18 | 17 | a1i 11 | . . 3 ⊢ (⊤ → (0 + (1 −ℝ 1)) = 0) |
19 | 1, 5, 18 | reladdrsub 39290 | . 2 ⊢ (⊤ → (1 −ℝ 1) = (0 −ℝ 0)) |
20 | 19 | mptru 1543 | 1 ⊢ (1 −ℝ 1) = (0 −ℝ 0) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1536 ⊤wtru 1537 ∈ wcel 2113 (class class class)co 7153 ℝcr 10533 0cc0 10534 1c1 10535 ici 10536 + caddc 10537 · cmul 10539 −ℝ cresub 39270 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2792 ax-sep 5200 ax-nul 5207 ax-pow 5263 ax-pr 5327 ax-un 7458 ax-resscn 10591 ax-1cn 10592 ax-icn 10593 ax-addcl 10594 ax-addrcl 10595 ax-mulcl 10596 ax-mulrcl 10597 ax-addass 10599 ax-i2m1 10602 ax-1ne0 10603 ax-rnegex 10605 ax-rrecex 10606 ax-cnre 10607 ax-pre-lttri 10608 ax-pre-lttrn 10609 ax-pre-ltadd 10610 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1083 df-3an 1084 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2799 df-cleq 2813 df-clel 2892 df-nfc 2962 df-ne 3016 df-nel 3123 df-ral 3142 df-rex 3143 df-reu 3144 df-rmo 3145 df-rab 3146 df-v 3495 df-sbc 3771 df-csb 3881 df-dif 3936 df-un 3938 df-in 3940 df-ss 3949 df-nul 4289 df-if 4465 df-pw 4538 df-sn 4565 df-pr 4567 df-op 4571 df-uni 4836 df-br 5064 df-opab 5126 df-mpt 5144 df-id 5457 df-po 5471 df-so 5472 df-xp 5558 df-rel 5559 df-cnv 5560 df-co 5561 df-dm 5562 df-rn 5563 df-res 5564 df-ima 5565 df-iota 6311 df-fun 6354 df-fn 6355 df-f 6356 df-f1 6357 df-fo 6358 df-f1o 6359 df-fv 6360 df-riota 7111 df-ov 7156 df-oprab 7157 df-mpo 7158 df-er 8286 df-en 8507 df-dom 8508 df-sdom 8509 df-pnf 10674 df-mnf 10675 df-ltxr 10677 df-resub 39271 |
This theorem is referenced by: sn-00idlem1 39303 sn-00idlem2 39304 remul02 39310 |
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