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Mirrors > Home > MPE Home > Th. List > 0bits | Structured version Visualization version GIF version |
Description: The bits of zero. (Contributed by Mario Carneiro, 6-Sep-2016.) |
Ref | Expression |
---|---|
0bits | ⊢ (bits‘0) = ∅ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | c0ex 10635 | . . . . . . 7 ⊢ 0 ∈ V | |
2 | 1 | snid 4601 | . . . . . 6 ⊢ 0 ∈ {0} |
3 | fzo01 13120 | . . . . . 6 ⊢ (0..^1) = {0} | |
4 | 2, 3 | eleqtrri 2912 | . . . . 5 ⊢ 0 ∈ (0..^1) |
5 | 2cn 11713 | . . . . . . 7 ⊢ 2 ∈ ℂ | |
6 | exp0 13434 | . . . . . . 7 ⊢ (2 ∈ ℂ → (2↑0) = 1) | |
7 | 5, 6 | ax-mp 5 | . . . . . 6 ⊢ (2↑0) = 1 |
8 | 7 | oveq2i 7167 | . . . . 5 ⊢ (0..^(2↑0)) = (0..^1) |
9 | 4, 8 | eleqtrri 2912 | . . . 4 ⊢ 0 ∈ (0..^(2↑0)) |
10 | 0z 11993 | . . . . 5 ⊢ 0 ∈ ℤ | |
11 | 0nn0 11913 | . . . . 5 ⊢ 0 ∈ ℕ0 | |
12 | bitsfzo 15784 | . . . . 5 ⊢ ((0 ∈ ℤ ∧ 0 ∈ ℕ0) → (0 ∈ (0..^(2↑0)) ↔ (bits‘0) ⊆ (0..^0))) | |
13 | 10, 11, 12 | mp2an 690 | . . . 4 ⊢ (0 ∈ (0..^(2↑0)) ↔ (bits‘0) ⊆ (0..^0)) |
14 | 9, 13 | mpbi 232 | . . 3 ⊢ (bits‘0) ⊆ (0..^0) |
15 | fzo0 13062 | . . 3 ⊢ (0..^0) = ∅ | |
16 | 14, 15 | sseqtri 4003 | . 2 ⊢ (bits‘0) ⊆ ∅ |
17 | 0ss 4350 | . 2 ⊢ ∅ ⊆ (bits‘0) | |
18 | 16, 17 | eqssi 3983 | 1 ⊢ (bits‘0) = ∅ |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 208 = wceq 1537 ∈ wcel 2114 ⊆ wss 3936 ∅c0 4291 {csn 4567 ‘cfv 6355 (class class class)co 7156 ℂcc 10535 0cc0 10537 1c1 10538 2c2 11693 ℕ0cn0 11898 ℤcz 11982 ..^cfzo 13034 ↑cexp 13430 bitscbits 15768 |
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 ax-pre-mulgt0 10614 ax-pre-sup 10615 |
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-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-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-1st 7689 df-2nd 7690 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-er 8289 df-en 8510 df-dom 8511 df-sdom 8512 df-sup 8906 df-inf 8907 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-div 11298 df-nn 11639 df-2 11701 df-n0 11899 df-z 11983 df-uz 12245 df-rp 12391 df-fz 12894 df-fzo 13035 df-fl 13163 df-seq 13371 df-exp 13431 df-dvds 15608 df-bits 15771 |
This theorem is referenced by: m1bits 15789 sadcadd 15807 sadadd2 15809 bitsres 15822 smumullem 15841 eulerpartgbij 31630 eulerpartlemmf 31633 eulerpartlemgvv 31634 eulerpartlemgh 31636 |
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