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Mirrors > Home > MPE Home > Th. List > bitsval2 | Structured version Visualization version GIF version |
Description: Expand the definition of the bits of an integer. (Contributed by Mario Carneiro, 5-Sep-2016.) |
Ref | Expression |
---|---|
bitsval2 | ⊢ ((𝑁 ∈ ℤ ∧ 𝑀 ∈ ℕ0) → (𝑀 ∈ (bits‘𝑁) ↔ ¬ 2 ∥ (⌊‘(𝑁 / (2↑𝑀))))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bitsval 15756 | . . 3 ⊢ (𝑀 ∈ (bits‘𝑁) ↔ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℕ0 ∧ ¬ 2 ∥ (⌊‘(𝑁 / (2↑𝑀))))) | |
2 | df-3an 1085 | . . 3 ⊢ ((𝑁 ∈ ℤ ∧ 𝑀 ∈ ℕ0 ∧ ¬ 2 ∥ (⌊‘(𝑁 / (2↑𝑀)))) ↔ ((𝑁 ∈ ℤ ∧ 𝑀 ∈ ℕ0) ∧ ¬ 2 ∥ (⌊‘(𝑁 / (2↑𝑀))))) | |
3 | 1, 2 | bitri 277 | . 2 ⊢ (𝑀 ∈ (bits‘𝑁) ↔ ((𝑁 ∈ ℤ ∧ 𝑀 ∈ ℕ0) ∧ ¬ 2 ∥ (⌊‘(𝑁 / (2↑𝑀))))) |
4 | 3 | baib 538 | 1 ⊢ ((𝑁 ∈ ℤ ∧ 𝑀 ∈ ℕ0) → (𝑀 ∈ (bits‘𝑁) ↔ ¬ 2 ∥ (⌊‘(𝑁 / (2↑𝑀))))) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 208 ∧ wa 398 ∧ w3a 1083 ∈ wcel 2114 class class class wbr 5052 ‘cfv 6341 (class class class)co 7142 / cdiv 11283 2c2 11679 ℕ0cn0 11884 ℤcz 11968 ⌊cfl 13150 ↑cexp 13419 ∥ cdvds 15592 bitscbits 15751 |
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 5189 ax-nul 5196 ax-pow 5252 ax-pr 5316 ax-un 7447 ax-cnex 10579 ax-1cn 10581 ax-addcl 10583 |
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-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3488 df-sbc 3764 df-csb 3872 df-dif 3927 df-un 3929 df-in 3931 df-ss 3940 df-pss 3942 df-nul 4280 df-if 4454 df-pw 4527 df-sn 4554 df-pr 4556 df-tp 4558 df-op 4560 df-uni 4825 df-iun 4907 df-br 5053 df-opab 5115 df-mpt 5133 df-tr 5159 df-id 5446 df-eprel 5451 df-po 5460 df-so 5461 df-fr 5500 df-we 5502 df-xp 5547 df-rel 5548 df-cnv 5549 df-co 5550 df-dm 5551 df-rn 5552 df-res 5553 df-ima 5554 df-pred 6134 df-ord 6180 df-on 6181 df-lim 6182 df-suc 6183 df-iota 6300 df-fun 6343 df-fn 6344 df-f 6345 df-f1 6346 df-fo 6347 df-f1o 6348 df-fv 6349 df-ov 7145 df-om 7567 df-wrecs 7933 df-recs 7994 df-rdg 8032 df-nn 11625 df-n0 11885 df-bits 15754 |
This theorem is referenced by: bits0 15760 bitsp1 15763 bitsfzolem 15766 bitsfzo 15767 bitsmod 15768 bitscmp 15770 bitsinv1lem 15773 bitsshft 15807 bits0ALTV 43929 dig2bits 44759 |
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