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Mirrors > Home > ILE Home > Th. List > pcxcl | GIF version |
Description: Extended real closure of the general prime count function. (Contributed by Mario Carneiro, 3-Oct-2014.) |
Ref | Expression |
---|---|
pcxcl | ⊢ ((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) → (𝑃 pCnt 𝑁) ∈ ℝ*) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pc0 12195 | . . . . 5 ⊢ (𝑃 ∈ ℙ → (𝑃 pCnt 0) = +∞) | |
2 | pnfxr 7933 | . . . . 5 ⊢ +∞ ∈ ℝ* | |
3 | 1, 2 | eqeltrdi 2248 | . . . 4 ⊢ (𝑃 ∈ ℙ → (𝑃 pCnt 0) ∈ ℝ*) |
4 | 3 | adantr 274 | . . 3 ⊢ ((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) → (𝑃 pCnt 0) ∈ ℝ*) |
5 | oveq2 5835 | . . . 4 ⊢ (𝑁 = 0 → (𝑃 pCnt 𝑁) = (𝑃 pCnt 0)) | |
6 | 5 | eleq1d 2226 | . . 3 ⊢ (𝑁 = 0 → ((𝑃 pCnt 𝑁) ∈ ℝ* ↔ (𝑃 pCnt 0) ∈ ℝ*)) |
7 | 4, 6 | syl5ibrcom 156 | . 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) → (𝑁 = 0 → (𝑃 pCnt 𝑁) ∈ ℝ*)) |
8 | df-ne 2328 | . . 3 ⊢ (𝑁 ≠ 0 ↔ ¬ 𝑁 = 0) | |
9 | pcqcl 12197 | . . . . . 6 ⊢ ((𝑃 ∈ ℙ ∧ (𝑁 ∈ ℚ ∧ 𝑁 ≠ 0)) → (𝑃 pCnt 𝑁) ∈ ℤ) | |
10 | 9 | zred 9292 | . . . . 5 ⊢ ((𝑃 ∈ ℙ ∧ (𝑁 ∈ ℚ ∧ 𝑁 ≠ 0)) → (𝑃 pCnt 𝑁) ∈ ℝ) |
11 | 10 | rexrd 7930 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ (𝑁 ∈ ℚ ∧ 𝑁 ≠ 0)) → (𝑃 pCnt 𝑁) ∈ ℝ*) |
12 | 11 | expr 373 | . . 3 ⊢ ((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) → (𝑁 ≠ 0 → (𝑃 pCnt 𝑁) ∈ ℝ*)) |
13 | 8, 12 | syl5bir 152 | . 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) → (¬ 𝑁 = 0 → (𝑃 pCnt 𝑁) ∈ ℝ*)) |
14 | simpr 109 | . . 3 ⊢ ((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) → 𝑁 ∈ ℚ) | |
15 | 0z 9184 | . . . 4 ⊢ 0 ∈ ℤ | |
16 | zq 9542 | . . . 4 ⊢ (0 ∈ ℤ → 0 ∈ ℚ) | |
17 | 15, 16 | ax-mp 5 | . . 3 ⊢ 0 ∈ ℚ |
18 | qdceq 10156 | . . . 4 ⊢ ((𝑁 ∈ ℚ ∧ 0 ∈ ℚ) → DECID 𝑁 = 0) | |
19 | exmiddc 822 | . . . 4 ⊢ (DECID 𝑁 = 0 → (𝑁 = 0 ∨ ¬ 𝑁 = 0)) | |
20 | 18, 19 | syl 14 | . . 3 ⊢ ((𝑁 ∈ ℚ ∧ 0 ∈ ℚ) → (𝑁 = 0 ∨ ¬ 𝑁 = 0)) |
21 | 14, 17, 20 | sylancl 410 | . 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) → (𝑁 = 0 ∨ ¬ 𝑁 = 0)) |
22 | 7, 13, 21 | mpjaod 708 | 1 ⊢ ((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) → (𝑃 pCnt 𝑁) ∈ ℝ*) |
Colors of variables: wff set class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 103 ∨ wo 698 DECID wdc 820 = wceq 1335 ∈ wcel 2128 ≠ wne 2327 (class class class)co 5827 0cc0 7735 +∞cpnf 7912 ℝ*cxr 7914 ℤcz 9173 ℚcq 9535 ℙcprime 12000 pCnt cpc 12175 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1427 ax-7 1428 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-10 1485 ax-11 1486 ax-i12 1487 ax-bndl 1489 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-13 2130 ax-14 2131 ax-ext 2139 ax-coll 4082 ax-sep 4085 ax-nul 4093 ax-pow 4138 ax-pr 4172 ax-un 4396 ax-setind 4499 ax-iinf 4550 ax-cnex 7826 ax-resscn 7827 ax-1cn 7828 ax-1re 7829 ax-icn 7830 ax-addcl 7831 ax-addrcl 7832 ax-mulcl 7833 ax-mulrcl 7834 ax-addcom 7835 ax-mulcom 7836 ax-addass 7837 ax-mulass 7838 ax-distr 7839 ax-i2m1 7840 ax-0lt1 7841 ax-1rid 7842 ax-0id 7843 ax-rnegex 7844 ax-precex 7845 ax-cnre 7846 ax-pre-ltirr 7847 ax-pre-ltwlin 7848 ax-pre-lttrn 7849 ax-pre-apti 7850 ax-pre-ltadd 7851 ax-pre-mulgt0 7852 ax-pre-mulext 7853 ax-arch 7854 ax-caucvg 7855 |
This theorem depends on definitions: df-bi 116 df-dc 821 df-3or 964 df-3an 965 df-tru 1338 df-fal 1341 df-nf 1441 df-sb 1743 df-eu 2009 df-mo 2010 df-clab 2144 df-cleq 2150 df-clel 2153 df-nfc 2288 df-ne 2328 df-nel 2423 df-ral 2440 df-rex 2441 df-reu 2442 df-rmo 2443 df-rab 2444 df-v 2714 df-sbc 2938 df-csb 3032 df-dif 3104 df-un 3106 df-in 3108 df-ss 3115 df-nul 3396 df-if 3507 df-pw 3546 df-sn 3567 df-pr 3568 df-op 3570 df-uni 3775 df-int 3810 df-iun 3853 df-br 3968 df-opab 4029 df-mpt 4030 df-tr 4066 df-id 4256 df-po 4259 df-iso 4260 df-iord 4329 df-on 4331 df-ilim 4332 df-suc 4334 df-iom 4553 df-xp 4595 df-rel 4596 df-cnv 4597 df-co 4598 df-dm 4599 df-rn 4600 df-res 4601 df-ima 4602 df-iota 5138 df-fun 5175 df-fn 5176 df-f 5177 df-f1 5178 df-fo 5179 df-f1o 5180 df-fv 5181 df-isom 5182 df-riota 5783 df-ov 5830 df-oprab 5831 df-mpo 5832 df-1st 6091 df-2nd 6092 df-recs 6255 df-frec 6341 df-1o 6366 df-2o 6367 df-er 6483 df-en 6689 df-sup 6931 df-inf 6932 df-pnf 7917 df-mnf 7918 df-xr 7919 df-ltxr 7920 df-le 7921 df-sub 8053 df-neg 8054 df-reap 8455 df-ap 8462 df-div 8551 df-inn 8840 df-2 8898 df-3 8899 df-4 8900 df-n0 9097 df-z 9174 df-uz 9446 df-q 9536 df-rp 9568 df-fz 9920 df-fzo 10052 df-fl 10179 df-mod 10232 df-seqfrec 10355 df-exp 10429 df-cj 10754 df-re 10755 df-im 10756 df-rsqrt 10910 df-abs 10911 df-dvds 11696 df-gcd 11843 df-prm 12001 df-pc 12176 |
This theorem is referenced by: pcdvdstr 12216 |
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