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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 11131 | . . . . . . 7 ⊢ 0 ∈ V | |
| 2 | 1 | snid 4620 | . . . . . 6 ⊢ 0 ∈ {0} |
| 3 | fzo01 13668 | . . . . . 6 ⊢ (0..^1) = {0} | |
| 4 | 2, 3 | eleqtrri 2836 | . . . . 5 ⊢ 0 ∈ (0..^1) |
| 5 | 2cn 12225 | . . . . . . 7 ⊢ 2 ∈ ℂ | |
| 6 | exp0 13993 | . . . . . . 7 ⊢ (2 ∈ ℂ → (2↑0) = 1) | |
| 7 | 5, 6 | ax-mp 5 | . . . . . 6 ⊢ (2↑0) = 1 |
| 8 | 7 | oveq2i 7372 | . . . . 5 ⊢ (0..^(2↑0)) = (0..^1) |
| 9 | 4, 8 | eleqtrri 2836 | . . . 4 ⊢ 0 ∈ (0..^(2↑0)) |
| 10 | 0z 12504 | . . . . 5 ⊢ 0 ∈ ℤ | |
| 11 | 0nn0 12421 | . . . . 5 ⊢ 0 ∈ ℕ0 | |
| 12 | bitsfzo 16367 | . . . . 5 ⊢ ((0 ∈ ℤ ∧ 0 ∈ ℕ0) → (0 ∈ (0..^(2↑0)) ↔ (bits‘0) ⊆ (0..^0))) | |
| 13 | 10, 11, 12 | mp2an 693 | . . . 4 ⊢ (0 ∈ (0..^(2↑0)) ↔ (bits‘0) ⊆ (0..^0)) |
| 14 | 9, 13 | mpbi 230 | . . 3 ⊢ (bits‘0) ⊆ (0..^0) |
| 15 | fzo0 13604 | . . 3 ⊢ (0..^0) = ∅ | |
| 16 | 14, 15 | sseqtri 3983 | . 2 ⊢ (bits‘0) ⊆ ∅ |
| 17 | 0ss 4353 | . 2 ⊢ ∅ ⊆ (bits‘0) | |
| 18 | 16, 17 | eqssi 3951 | 1 ⊢ (bits‘0) = ∅ |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 = wceq 1542 ∈ wcel 2114 ⊆ wss 3902 ∅c0 4286 {csn 4581 ‘cfv 6493 (class class class)co 7361 ℂcc 11029 0cc0 11031 1c1 11032 2c2 12205 ℕ0cn0 12406 ℤcz 12493 ..^cfzo 13575 ↑cexp 13989 bitscbits 16351 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5242 ax-nul 5252 ax-pow 5311 ax-pr 5378 ax-un 7683 ax-cnex 11087 ax-resscn 11088 ax-1cn 11089 ax-icn 11090 ax-addcl 11091 ax-addrcl 11092 ax-mulcl 11093 ax-mulrcl 11094 ax-mulcom 11095 ax-addass 11096 ax-mulass 11097 ax-distr 11098 ax-i2m1 11099 ax-1ne0 11100 ax-1rid 11101 ax-rnegex 11102 ax-rrecex 11103 ax-cnre 11104 ax-pre-lttri 11105 ax-pre-lttrn 11106 ax-pre-ltadd 11107 ax-pre-mulgt0 11108 ax-pre-sup 11109 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3062 df-rmo 3351 df-reu 3352 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4949 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-om 7812 df-1st 7936 df-2nd 7937 df-frecs 8226 df-wrecs 8257 df-recs 8306 df-rdg 8344 df-er 8638 df-en 8889 df-dom 8890 df-sdom 8891 df-sup 9350 df-inf 9351 df-pnf 11173 df-mnf 11174 df-xr 11175 df-ltxr 11176 df-le 11177 df-sub 11371 df-neg 11372 df-div 11800 df-nn 12151 df-2 12213 df-n0 12407 df-z 12494 df-uz 12757 df-rp 12911 df-fz 13429 df-fzo 13576 df-fl 13717 df-seq 13930 df-exp 13990 df-dvds 16185 df-bits 16354 |
| This theorem is referenced by: m1bits 16372 sadcadd 16390 sadadd2 16392 bitsres 16405 smumullem 16424 eulerpartgbij 34542 eulerpartlemmf 34545 eulerpartlemgvv 34546 eulerpartlemgh 34548 |
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