Mathbox for Thierry Arnoux |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > Mathboxes > dpadd3 | Structured version Visualization version GIF version |
Description: Addition with two decimals. (Contributed by Thierry Arnoux, 27-Dec-2021.) |
Ref | Expression |
---|---|
dpmul.a | ⊢ 𝐴 ∈ ℕ0 |
dpmul.b | ⊢ 𝐵 ∈ ℕ0 |
dpmul.c | ⊢ 𝐶 ∈ ℕ0 |
dpmul.d | ⊢ 𝐷 ∈ ℕ0 |
dpmul.e | ⊢ 𝐸 ∈ ℕ0 |
dpmul.g | ⊢ 𝐺 ∈ ℕ0 |
dpadd3.f | ⊢ 𝐹 ∈ ℕ0 |
dpadd3.h | ⊢ 𝐻 ∈ ℕ0 |
dpadd3.i | ⊢ 𝐼 ∈ ℕ0 |
dpadd3.1 | ⊢ (;;𝐴𝐵𝐶 + ;;𝐷𝐸𝐹) = ;;𝐺𝐻𝐼 |
Ref | Expression |
---|---|
dpadd3 | ⊢ ((𝐴._𝐵𝐶) + (𝐷._𝐸𝐹)) = (𝐺._𝐻𝐼) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dpmul.a | . . . . . 6 ⊢ 𝐴 ∈ ℕ0 | |
2 | dpmul.b | . . . . . . . 8 ⊢ 𝐵 ∈ ℕ0 | |
3 | 2 | nn0rei 12227 | . . . . . . 7 ⊢ 𝐵 ∈ ℝ |
4 | dpmul.c | . . . . . . . 8 ⊢ 𝐶 ∈ ℕ0 | |
5 | 4 | nn0rei 12227 | . . . . . . 7 ⊢ 𝐶 ∈ ℝ |
6 | dp2cl 31133 | . . . . . . 7 ⊢ ((𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) → _𝐵𝐶 ∈ ℝ) | |
7 | 3, 5, 6 | mp2an 688 | . . . . . 6 ⊢ _𝐵𝐶 ∈ ℝ |
8 | dpcl 31144 | . . . . . 6 ⊢ ((𝐴 ∈ ℕ0 ∧ _𝐵𝐶 ∈ ℝ) → (𝐴._𝐵𝐶) ∈ ℝ) | |
9 | 1, 7, 8 | mp2an 688 | . . . . 5 ⊢ (𝐴._𝐵𝐶) ∈ ℝ |
10 | 9 | recni 10973 | . . . 4 ⊢ (𝐴._𝐵𝐶) ∈ ℂ |
11 | dpmul.d | . . . . . 6 ⊢ 𝐷 ∈ ℕ0 | |
12 | dpmul.e | . . . . . . . 8 ⊢ 𝐸 ∈ ℕ0 | |
13 | 12 | nn0rei 12227 | . . . . . . 7 ⊢ 𝐸 ∈ ℝ |
14 | dpadd3.f | . . . . . . . 8 ⊢ 𝐹 ∈ ℕ0 | |
15 | 14 | nn0rei 12227 | . . . . . . 7 ⊢ 𝐹 ∈ ℝ |
16 | dp2cl 31133 | . . . . . . 7 ⊢ ((𝐸 ∈ ℝ ∧ 𝐹 ∈ ℝ) → _𝐸𝐹 ∈ ℝ) | |
17 | 13, 15, 16 | mp2an 688 | . . . . . 6 ⊢ _𝐸𝐹 ∈ ℝ |
18 | dpcl 31144 | . . . . . 6 ⊢ ((𝐷 ∈ ℕ0 ∧ _𝐸𝐹 ∈ ℝ) → (𝐷._𝐸𝐹) ∈ ℝ) | |
19 | 11, 17, 18 | mp2an 688 | . . . . 5 ⊢ (𝐷._𝐸𝐹) ∈ ℝ |
20 | 19 | recni 10973 | . . . 4 ⊢ (𝐷._𝐸𝐹) ∈ ℂ |
21 | 10, 20 | addcli 10965 | . . 3 ⊢ ((𝐴._𝐵𝐶) + (𝐷._𝐸𝐹)) ∈ ℂ |
22 | dpmul.g | . . . . 5 ⊢ 𝐺 ∈ ℕ0 | |
23 | dpadd3.h | . . . . . . 7 ⊢ 𝐻 ∈ ℕ0 | |
24 | 23 | nn0rei 12227 | . . . . . 6 ⊢ 𝐻 ∈ ℝ |
25 | dpadd3.i | . . . . . . 7 ⊢ 𝐼 ∈ ℕ0 | |
26 | 25 | nn0rei 12227 | . . . . . 6 ⊢ 𝐼 ∈ ℝ |
27 | dp2cl 31133 | . . . . . 6 ⊢ ((𝐻 ∈ ℝ ∧ 𝐼 ∈ ℝ) → _𝐻𝐼 ∈ ℝ) | |
28 | 24, 26, 27 | mp2an 688 | . . . . 5 ⊢ _𝐻𝐼 ∈ ℝ |
29 | dpcl 31144 | . . . . 5 ⊢ ((𝐺 ∈ ℕ0 ∧ _𝐻𝐼 ∈ ℝ) → (𝐺._𝐻𝐼) ∈ ℝ) | |
30 | 22, 28, 29 | mp2an 688 | . . . 4 ⊢ (𝐺._𝐻𝐼) ∈ ℝ |
31 | 30 | recni 10973 | . . 3 ⊢ (𝐺._𝐻𝐼) ∈ ℂ |
32 | 10nn 12435 | . . . . . 6 ⊢ ;10 ∈ ℕ | |
33 | 32 | decnncl2 12443 | . . . . 5 ⊢ ;;100 ∈ ℕ |
34 | 33 | nncni 11966 | . . . 4 ⊢ ;;100 ∈ ℂ |
35 | 33 | nnne0i 11996 | . . . 4 ⊢ ;;100 ≠ 0 |
36 | 34, 35 | pm3.2i 470 | . . 3 ⊢ (;;100 ∈ ℂ ∧ ;;100 ≠ 0) |
37 | 21, 31, 36 | 3pm3.2i 1337 | . 2 ⊢ (((𝐴._𝐵𝐶) + (𝐷._𝐸𝐹)) ∈ ℂ ∧ (𝐺._𝐻𝐼) ∈ ℂ ∧ (;;100 ∈ ℂ ∧ ;;100 ≠ 0)) |
38 | 10, 20, 34 | adddiri 10972 | . . 3 ⊢ (((𝐴._𝐵𝐶) + (𝐷._𝐸𝐹)) · ;;100) = (((𝐴._𝐵𝐶) · ;;100) + ((𝐷._𝐸𝐹) · ;;100)) |
39 | dpadd3.1 | . . . 4 ⊢ (;;𝐴𝐵𝐶 + ;;𝐷𝐸𝐹) = ;;𝐺𝐻𝐼 | |
40 | 1, 2, 5 | dpmul100 31150 | . . . . 5 ⊢ ((𝐴._𝐵𝐶) · ;;100) = ;;𝐴𝐵𝐶 |
41 | 11, 12, 15 | dpmul100 31150 | . . . . 5 ⊢ ((𝐷._𝐸𝐹) · ;;100) = ;;𝐷𝐸𝐹 |
42 | 40, 41 | oveq12i 7280 | . . . 4 ⊢ (((𝐴._𝐵𝐶) · ;;100) + ((𝐷._𝐸𝐹) · ;;100)) = (;;𝐴𝐵𝐶 + ;;𝐷𝐸𝐹) |
43 | 22, 23, 26 | dpmul100 31150 | . . . 4 ⊢ ((𝐺._𝐻𝐼) · ;;100) = ;;𝐺𝐻𝐼 |
44 | 39, 42, 43 | 3eqtr4i 2777 | . . 3 ⊢ (((𝐴._𝐵𝐶) · ;;100) + ((𝐷._𝐸𝐹) · ;;100)) = ((𝐺._𝐻𝐼) · ;;100) |
45 | 38, 44 | eqtri 2767 | . 2 ⊢ (((𝐴._𝐵𝐶) + (𝐷._𝐸𝐹)) · ;;100) = ((𝐺._𝐻𝐼) · ;;100) |
46 | mulcan2 11596 | . . 3 ⊢ ((((𝐴._𝐵𝐶) + (𝐷._𝐸𝐹)) ∈ ℂ ∧ (𝐺._𝐻𝐼) ∈ ℂ ∧ (;;100 ∈ ℂ ∧ ;;100 ≠ 0)) → ((((𝐴._𝐵𝐶) + (𝐷._𝐸𝐹)) · ;;100) = ((𝐺._𝐻𝐼) · ;;100) ↔ ((𝐴._𝐵𝐶) + (𝐷._𝐸𝐹)) = (𝐺._𝐻𝐼))) | |
47 | 46 | biimpa 476 | . 2 ⊢ (((((𝐴._𝐵𝐶) + (𝐷._𝐸𝐹)) ∈ ℂ ∧ (𝐺._𝐻𝐼) ∈ ℂ ∧ (;;100 ∈ ℂ ∧ ;;100 ≠ 0)) ∧ (((𝐴._𝐵𝐶) + (𝐷._𝐸𝐹)) · ;;100) = ((𝐺._𝐻𝐼) · ;;100)) → ((𝐴._𝐵𝐶) + (𝐷._𝐸𝐹)) = (𝐺._𝐻𝐼)) |
48 | 37, 45, 47 | mp2an 688 | 1 ⊢ ((𝐴._𝐵𝐶) + (𝐷._𝐸𝐹)) = (𝐺._𝐻𝐼) |
Colors of variables: wff setvar class |
Syntax hints: ∧ wa 395 ∧ w3a 1085 = wceq 1541 ∈ wcel 2109 ≠ wne 2944 (class class class)co 7268 ℂcc 10853 ℝcr 10854 0cc0 10855 1c1 10856 + caddc 10858 · cmul 10860 ℕ0cn0 12216 ;cdc 12419 _cdp2 31124 .cdp 31141 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1801 ax-4 1815 ax-5 1916 ax-6 1974 ax-7 2014 ax-8 2111 ax-9 2119 ax-10 2140 ax-11 2157 ax-12 2174 ax-ext 2710 ax-sep 5226 ax-nul 5233 ax-pow 5291 ax-pr 5355 ax-un 7579 ax-resscn 10912 ax-1cn 10913 ax-icn 10914 ax-addcl 10915 ax-addrcl 10916 ax-mulcl 10917 ax-mulrcl 10918 ax-mulcom 10919 ax-addass 10920 ax-mulass 10921 ax-distr 10922 ax-i2m1 10923 ax-1ne0 10924 ax-1rid 10925 ax-rnegex 10926 ax-rrecex 10927 ax-cnre 10928 ax-pre-lttri 10929 ax-pre-lttrn 10930 ax-pre-ltadd 10931 ax-pre-mulgt0 10932 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1544 df-fal 1554 df-ex 1786 df-nf 1790 df-sb 2071 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2817 df-nfc 2890 df-ne 2945 df-nel 3051 df-ral 3070 df-rex 3071 df-reu 3072 df-rmo 3073 df-rab 3074 df-v 3432 df-sbc 3720 df-csb 3837 df-dif 3894 df-un 3896 df-in 3898 df-ss 3908 df-pss 3910 df-nul 4262 df-if 4465 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-uni 4845 df-iun 4931 df-br 5079 df-opab 5141 df-mpt 5162 df-tr 5196 df-id 5488 df-eprel 5494 df-po 5502 df-so 5503 df-fr 5543 df-we 5545 df-xp 5594 df-rel 5595 df-cnv 5596 df-co 5597 df-dm 5598 df-rn 5599 df-res 5600 df-ima 5601 df-pred 6199 df-ord 6266 df-on 6267 df-lim 6268 df-suc 6269 df-iota 6388 df-fun 6432 df-fn 6433 df-f 6434 df-f1 6435 df-fo 6436 df-f1o 6437 df-fv 6438 df-riota 7225 df-ov 7271 df-oprab 7272 df-mpo 7273 df-om 7701 df-2nd 7818 df-frecs 8081 df-wrecs 8112 df-recs 8186 df-rdg 8225 df-er 8472 df-en 8708 df-dom 8709 df-sdom 8710 df-pnf 10995 df-mnf 10996 df-xr 10997 df-ltxr 10998 df-le 10999 df-sub 11190 df-neg 11191 df-div 11616 df-nn 11957 df-2 12019 df-3 12020 df-4 12021 df-5 12022 df-6 12023 df-7 12024 df-8 12025 df-9 12026 df-n0 12217 df-dec 12420 df-dp2 31125 df-dp 31142 |
This theorem is referenced by: 1mhdrd 31169 hgt750lem2 32611 |
Copyright terms: Public domain | W3C validator |