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Mirrors > Home > MPE Home > Th. List > Mathboxes > hashf2 | Structured version Visualization version GIF version |
Description: Lemma for hasheuni 30275. (Contributed by Thierry Arnoux, 19-Nov-2016.) |
Ref | Expression |
---|---|
hashf2 | ⊢ #:V⟶(0[,]+∞) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | hashf 13165 | . 2 ⊢ #:V⟶(ℕ0 ∪ {+∞}) | |
2 | nn0z 11438 | . . . . . 6 ⊢ (𝑥 ∈ ℕ0 → 𝑥 ∈ ℤ) | |
3 | zre 11419 | . . . . . 6 ⊢ (𝑥 ∈ ℤ → 𝑥 ∈ ℝ) | |
4 | rexr 10123 | . . . . . 6 ⊢ (𝑥 ∈ ℝ → 𝑥 ∈ ℝ*) | |
5 | 2, 3, 4 | 3syl 18 | . . . . 5 ⊢ (𝑥 ∈ ℕ0 → 𝑥 ∈ ℝ*) |
6 | nn0ge0 11356 | . . . . 5 ⊢ (𝑥 ∈ ℕ0 → 0 ≤ 𝑥) | |
7 | elxrge0 12319 | . . . . 5 ⊢ (𝑥 ∈ (0[,]+∞) ↔ (𝑥 ∈ ℝ* ∧ 0 ≤ 𝑥)) | |
8 | 5, 6, 7 | sylanbrc 699 | . . . 4 ⊢ (𝑥 ∈ ℕ0 → 𝑥 ∈ (0[,]+∞)) |
9 | 8 | ssriv 3640 | . . 3 ⊢ ℕ0 ⊆ (0[,]+∞) |
10 | 0xr 10124 | . . . . 5 ⊢ 0 ∈ ℝ* | |
11 | pnfxr 10130 | . . . . 5 ⊢ +∞ ∈ ℝ* | |
12 | 0lepnf 12004 | . . . . 5 ⊢ 0 ≤ +∞ | |
13 | ubicc2 12327 | . . . . 5 ⊢ ((0 ∈ ℝ* ∧ +∞ ∈ ℝ* ∧ 0 ≤ +∞) → +∞ ∈ (0[,]+∞)) | |
14 | 10, 11, 12, 13 | mp3an 1464 | . . . 4 ⊢ +∞ ∈ (0[,]+∞) |
15 | snssi 4371 | . . . 4 ⊢ (+∞ ∈ (0[,]+∞) → {+∞} ⊆ (0[,]+∞)) | |
16 | 14, 15 | ax-mp 5 | . . 3 ⊢ {+∞} ⊆ (0[,]+∞) |
17 | 9, 16 | unssi 3821 | . 2 ⊢ (ℕ0 ∪ {+∞}) ⊆ (0[,]+∞) |
18 | fss 6094 | . 2 ⊢ ((#:V⟶(ℕ0 ∪ {+∞}) ∧ (ℕ0 ∪ {+∞}) ⊆ (0[,]+∞)) → #:V⟶(0[,]+∞)) | |
19 | 1, 17, 18 | mp2an 708 | 1 ⊢ #:V⟶(0[,]+∞) |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2030 Vcvv 3231 ∪ cun 3605 ⊆ wss 3607 {csn 4210 class class class wbr 4685 ⟶wf 5922 (class class class)co 6690 ℝcr 9973 0cc0 9974 +∞cpnf 10109 ℝ*cxr 10111 ≤ cle 10113 ℕ0cn0 11330 ℤcz 11415 [,]cicc 12216 #chash 13157 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1762 ax-4 1777 ax-5 1879 ax-6 1945 ax-7 1981 ax-8 2032 ax-9 2039 ax-10 2059 ax-11 2074 ax-12 2087 ax-13 2282 ax-ext 2631 ax-sep 4814 ax-nul 4822 ax-pow 4873 ax-pr 4936 ax-un 6991 ax-cnex 10030 ax-resscn 10031 ax-1cn 10032 ax-icn 10033 ax-addcl 10034 ax-addrcl 10035 ax-mulcl 10036 ax-mulrcl 10037 ax-mulcom 10038 ax-addass 10039 ax-mulass 10040 ax-distr 10041 ax-i2m1 10042 ax-1ne0 10043 ax-1rid 10044 ax-rnegex 10045 ax-rrecex 10046 ax-cnre 10047 ax-pre-lttri 10048 ax-pre-lttrn 10049 ax-pre-ltadd 10050 ax-pre-mulgt0 10051 |
This theorem depends on definitions: df-bi 197 df-or 384 df-an 385 df-3or 1055 df-3an 1056 df-tru 1526 df-ex 1745 df-nf 1750 df-sb 1938 df-eu 2502 df-mo 2503 df-clab 2638 df-cleq 2644 df-clel 2647 df-nfc 2782 df-ne 2824 df-nel 2927 df-ral 2946 df-rex 2947 df-reu 2948 df-rab 2950 df-v 3233 df-sbc 3469 df-csb 3567 df-dif 3610 df-un 3612 df-in 3614 df-ss 3621 df-pss 3623 df-nul 3949 df-if 4120 df-pw 4193 df-sn 4211 df-pr 4213 df-tp 4215 df-op 4217 df-uni 4469 df-int 4508 df-iun 4554 df-br 4686 df-opab 4746 df-mpt 4763 df-tr 4786 df-id 5053 df-eprel 5058 df-po 5064 df-so 5065 df-fr 5102 df-we 5104 df-xp 5149 df-rel 5150 df-cnv 5151 df-co 5152 df-dm 5153 df-rn 5154 df-res 5155 df-ima 5156 df-pred 5718 df-ord 5764 df-on 5765 df-lim 5766 df-suc 5767 df-iota 5889 df-fun 5928 df-fn 5929 df-f 5930 df-f1 5931 df-fo 5932 df-f1o 5933 df-fv 5934 df-riota 6651 df-ov 6693 df-oprab 6694 df-mpt2 6695 df-om 7108 df-wrecs 7452 df-recs 7513 df-rdg 7551 df-er 7787 df-en 7998 df-dom 7999 df-sdom 8000 df-fin 8001 df-card 8803 df-pnf 10114 df-mnf 10115 df-xr 10116 df-ltxr 10117 df-le 10118 df-sub 10306 df-neg 10307 df-nn 11059 df-n0 11331 df-xnn0 11402 df-z 11416 df-uz 11726 df-icc 12220 df-hash 13158 |
This theorem is referenced by: hasheuni 30275 cntmeas 30417 |
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