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| Mirrors > Home > ILE Home > Th. List > pcxqcl | GIF version | ||
| Description: The general prime count function is an integer or infinite. (Contributed by Jim Kingdon, 6-Jun-2025.) |
| Ref | Expression |
|---|---|
| pcxqcl | ⊢ ((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) → ((𝑃 pCnt 𝑁) ∈ ℤ ∨ (𝑃 pCnt 𝑁) = +∞)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpr 110 | . . . . 5 ⊢ (((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) ∧ 𝑁 = 0) → 𝑁 = 0) | |
| 2 | 1 | oveq2d 5960 | . . . 4 ⊢ (((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) ∧ 𝑁 = 0) → (𝑃 pCnt 𝑁) = (𝑃 pCnt 0)) |
| 3 | pc0 12627 | . . . . 5 ⊢ (𝑃 ∈ ℙ → (𝑃 pCnt 0) = +∞) | |
| 4 | 3 | ad2antrr 488 | . . . 4 ⊢ (((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) ∧ 𝑁 = 0) → (𝑃 pCnt 0) = +∞) |
| 5 | 2, 4 | eqtrd 2238 | . . 3 ⊢ (((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) ∧ 𝑁 = 0) → (𝑃 pCnt 𝑁) = +∞) |
| 6 | 5 | olcd 736 | . 2 ⊢ (((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) ∧ 𝑁 = 0) → ((𝑃 pCnt 𝑁) ∈ ℤ ∨ (𝑃 pCnt 𝑁) = +∞)) |
| 7 | pcqcl 12629 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ (𝑁 ∈ ℚ ∧ 𝑁 ≠ 0)) → (𝑃 pCnt 𝑁) ∈ ℤ) | |
| 8 | 7 | anassrs 400 | . . 3 ⊢ (((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) ∧ 𝑁 ≠ 0) → (𝑃 pCnt 𝑁) ∈ ℤ) |
| 9 | 8 | orcd 735 | . 2 ⊢ (((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) ∧ 𝑁 ≠ 0) → ((𝑃 pCnt 𝑁) ∈ ℤ ∨ (𝑃 pCnt 𝑁) = +∞)) |
| 10 | 0z 9383 | . . . . . 6 ⊢ 0 ∈ ℤ | |
| 11 | zq 9747 | . . . . . 6 ⊢ (0 ∈ ℤ → 0 ∈ ℚ) | |
| 12 | 10, 11 | ax-mp 5 | . . . . 5 ⊢ 0 ∈ ℚ |
| 13 | qdceq 10387 | . . . . 5 ⊢ ((𝑁 ∈ ℚ ∧ 0 ∈ ℚ) → DECID 𝑁 = 0) | |
| 14 | 12, 13 | mpan2 425 | . . . 4 ⊢ (𝑁 ∈ ℚ → DECID 𝑁 = 0) |
| 15 | dcne 2387 | . . . 4 ⊢ (DECID 𝑁 = 0 ↔ (𝑁 = 0 ∨ 𝑁 ≠ 0)) | |
| 16 | 14, 15 | sylib 122 | . . 3 ⊢ (𝑁 ∈ ℚ → (𝑁 = 0 ∨ 𝑁 ≠ 0)) |
| 17 | 16 | adantl 277 | . 2 ⊢ ((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) → (𝑁 = 0 ∨ 𝑁 ≠ 0)) |
| 18 | 6, 9, 17 | mpjaodan 800 | 1 ⊢ ((𝑃 ∈ ℙ ∧ 𝑁 ∈ ℚ) → ((𝑃 pCnt 𝑁) ∈ ℤ ∨ (𝑃 pCnt 𝑁) = +∞)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∨ wo 710 DECID wdc 836 = wceq 1373 ∈ wcel 2176 ≠ wne 2376 (class class class)co 5944 0cc0 7925 +∞cpnf 8104 ℤcz 9372 ℚcq 9740 ℙcprime 12429 pCnt cpc 12607 |
| 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 615 ax-in2 616 ax-io 711 ax-5 1470 ax-7 1471 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-10 1528 ax-11 1529 ax-i12 1530 ax-bndl 1532 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-i5r 1558 ax-13 2178 ax-14 2179 ax-ext 2187 ax-coll 4159 ax-sep 4162 ax-nul 4170 ax-pow 4218 ax-pr 4253 ax-un 4480 ax-setind 4585 ax-iinf 4636 ax-cnex 8016 ax-resscn 8017 ax-1cn 8018 ax-1re 8019 ax-icn 8020 ax-addcl 8021 ax-addrcl 8022 ax-mulcl 8023 ax-mulrcl 8024 ax-addcom 8025 ax-mulcom 8026 ax-addass 8027 ax-mulass 8028 ax-distr 8029 ax-i2m1 8030 ax-0lt1 8031 ax-1rid 8032 ax-0id 8033 ax-rnegex 8034 ax-precex 8035 ax-cnre 8036 ax-pre-ltirr 8037 ax-pre-ltwlin 8038 ax-pre-lttrn 8039 ax-pre-apti 8040 ax-pre-ltadd 8041 ax-pre-mulgt0 8042 ax-pre-mulext 8043 ax-arch 8044 ax-caucvg 8045 |
| This theorem depends on definitions: df-bi 117 df-dc 837 df-3or 982 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1484 df-sb 1786 df-eu 2057 df-mo 2058 df-clab 2192 df-cleq 2198 df-clel 2201 df-nfc 2337 df-ne 2377 df-nel 2472 df-ral 2489 df-rex 2490 df-reu 2491 df-rmo 2492 df-rab 2493 df-v 2774 df-sbc 2999 df-csb 3094 df-dif 3168 df-un 3170 df-in 3172 df-ss 3179 df-nul 3461 df-if 3572 df-pw 3618 df-sn 3639 df-pr 3640 df-op 3642 df-uni 3851 df-int 3886 df-iun 3929 df-br 4045 df-opab 4106 df-mpt 4107 df-tr 4143 df-id 4340 df-po 4343 df-iso 4344 df-iord 4413 df-on 4415 df-ilim 4416 df-suc 4418 df-iom 4639 df-xp 4681 df-rel 4682 df-cnv 4683 df-co 4684 df-dm 4685 df-rn 4686 df-res 4687 df-ima 4688 df-iota 5232 df-fun 5273 df-fn 5274 df-f 5275 df-f1 5276 df-fo 5277 df-f1o 5278 df-fv 5279 df-isom 5280 df-riota 5899 df-ov 5947 df-oprab 5948 df-mpo 5949 df-1st 6226 df-2nd 6227 df-recs 6391 df-frec 6477 df-1o 6502 df-2o 6503 df-er 6620 df-en 6828 df-sup 7086 df-inf 7087 df-pnf 8109 df-mnf 8110 df-xr 8111 df-ltxr 8112 df-le 8113 df-sub 8245 df-neg 8246 df-reap 8648 df-ap 8655 df-div 8746 df-inn 9037 df-2 9095 df-3 9096 df-4 9097 df-n0 9296 df-z 9373 df-uz 9649 df-q 9741 df-rp 9776 df-fz 10131 df-fzo 10265 df-fl 10413 df-mod 10468 df-seqfrec 10593 df-exp 10684 df-cj 11153 df-re 11154 df-im 11155 df-rsqrt 11309 df-abs 11310 df-dvds 12099 df-gcd 12275 df-prm 12430 df-pc 12608 |
| This theorem is referenced by: pcadd2 12664 |
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