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| Mirrors > Home > ILE Home > Th. List > bitsss | GIF version | ||
| Description: The set of bits of an integer is a subset of ℕ0. (Contributed by Mario Carneiro, 5-Sep-2016.) |
| Ref | Expression |
|---|---|
| bitsss | ⊢ (bits‘𝑁) ⊆ ℕ0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bitsval 12475 | . . 3 ⊢ (𝑚 ∈ (bits‘𝑁) ↔ (𝑁 ∈ ℤ ∧ 𝑚 ∈ ℕ0 ∧ ¬ 2 ∥ (⌊‘(𝑁 / (2↑𝑚))))) | |
| 2 | 1 | simp2bi 1037 | . 2 ⊢ (𝑚 ∈ (bits‘𝑁) → 𝑚 ∈ ℕ0) |
| 3 | 2 | ssriv 3228 | 1 ⊢ (bits‘𝑁) ⊆ ℕ0 |
| Colors of variables: wff set class |
| Syntax hints: ¬ wn 3 ∈ wcel 2200 ⊆ wss 3197 class class class wbr 4083 ‘cfv 5321 (class class class)co 6010 / cdiv 8835 2c2 9177 ℕ0cn0 9385 ℤcz 9462 ⌊cfl 10505 ↑cexp 10777 ∥ cdvds 12319 bitscbits 12472 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4259 ax-pr 4294 ax-un 4525 ax-cnex 8106 ax-resscn 8107 ax-1cn 8108 ax-1re 8109 ax-icn 8110 ax-addcl 8111 ax-addrcl 8112 ax-mulcl 8113 ax-i2m1 8120 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2801 df-sbc 3029 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-br 4084 df-opab 4146 df-mpt 4147 df-id 4385 df-xp 4726 df-rel 4727 df-cnv 4728 df-co 4729 df-dm 4730 df-rn 4731 df-res 4732 df-ima 4733 df-iota 5281 df-fun 5323 df-fv 5329 df-ov 6013 df-inn 9127 df-n0 9386 df-bits 12473 |
| This theorem is referenced by: (None) |
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