Mathbox for Stefan O'Rear |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > Mathboxes > fzneg | Structured version Visualization version GIF version |
Description: Reflection of a finite range of integers about 0. (Contributed by Stefan O'Rear, 4-Oct-2014.) |
Ref | Expression |
---|---|
fzneg | ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → (𝐴 ∈ (𝐵...𝐶) ↔ -𝐴 ∈ (-𝐶...-𝐵))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ancom 463 | . . 3 ⊢ ((𝐵 ≤ 𝐴 ∧ 𝐴 ≤ 𝐶) ↔ (𝐴 ≤ 𝐶 ∧ 𝐵 ≤ 𝐴)) | |
2 | zre 11986 | . . . . . 6 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ ℝ) | |
3 | 2 | 3ad2ant1 1129 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → 𝐴 ∈ ℝ) |
4 | zre 11986 | . . . . . 6 ⊢ (𝐶 ∈ ℤ → 𝐶 ∈ ℝ) | |
5 | 4 | 3ad2ant3 1131 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → 𝐶 ∈ ℝ) |
6 | 3, 5 | lenegd 11219 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → (𝐴 ≤ 𝐶 ↔ -𝐶 ≤ -𝐴)) |
7 | zre 11986 | . . . . . 6 ⊢ (𝐵 ∈ ℤ → 𝐵 ∈ ℝ) | |
8 | 7 | 3ad2ant2 1130 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → 𝐵 ∈ ℝ) |
9 | 8, 3 | lenegd 11219 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → (𝐵 ≤ 𝐴 ↔ -𝐴 ≤ -𝐵)) |
10 | 6, 9 | anbi12d 632 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → ((𝐴 ≤ 𝐶 ∧ 𝐵 ≤ 𝐴) ↔ (-𝐶 ≤ -𝐴 ∧ -𝐴 ≤ -𝐵))) |
11 | 1, 10 | syl5bb 285 | . 2 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → ((𝐵 ≤ 𝐴 ∧ 𝐴 ≤ 𝐶) ↔ (-𝐶 ≤ -𝐴 ∧ -𝐴 ≤ -𝐵))) |
12 | elfz 12899 | . 2 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → (𝐴 ∈ (𝐵...𝐶) ↔ (𝐵 ≤ 𝐴 ∧ 𝐴 ≤ 𝐶))) | |
13 | znegcl 12018 | . . . 4 ⊢ (𝐴 ∈ ℤ → -𝐴 ∈ ℤ) | |
14 | znegcl 12018 | . . . 4 ⊢ (𝐶 ∈ ℤ → -𝐶 ∈ ℤ) | |
15 | znegcl 12018 | . . . 4 ⊢ (𝐵 ∈ ℤ → -𝐵 ∈ ℤ) | |
16 | elfz 12899 | . . . 4 ⊢ ((-𝐴 ∈ ℤ ∧ -𝐶 ∈ ℤ ∧ -𝐵 ∈ ℤ) → (-𝐴 ∈ (-𝐶...-𝐵) ↔ (-𝐶 ≤ -𝐴 ∧ -𝐴 ≤ -𝐵))) | |
17 | 13, 14, 15, 16 | syl3an 1156 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 𝐶 ∈ ℤ ∧ 𝐵 ∈ ℤ) → (-𝐴 ∈ (-𝐶...-𝐵) ↔ (-𝐶 ≤ -𝐴 ∧ -𝐴 ≤ -𝐵))) |
18 | 17 | 3com23 1122 | . 2 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → (-𝐴 ∈ (-𝐶...-𝐵) ↔ (-𝐶 ≤ -𝐴 ∧ -𝐴 ≤ -𝐵))) |
19 | 11, 12, 18 | 3bitr4d 313 | 1 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → (𝐴 ∈ (𝐵...𝐶) ↔ -𝐴 ∈ (-𝐶...-𝐵))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 ∧ w3a 1083 ∈ wcel 2114 class class class wbr 5066 (class class class)co 7156 ℝcr 10536 ≤ cle 10676 -cneg 10871 ℤcz 11982 ...cfz 12893 |
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-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 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-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 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-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-we 5516 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-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 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-oprab 7160 df-mpo 7161 df-om 7581 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-er 8289 df-en 8510 df-dom 8511 df-sdom 8512 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-nn 11639 df-z 11983 df-fz 12894 |
This theorem is referenced by: acongeq 39600 |
Copyright terms: Public domain | W3C validator |