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| Mirrors > Home > MPE Home > Th. List > prodrb | Structured version Visualization version GIF version | ||
| Description: Rebase the starting point of a product. (Contributed by Scott Fenton, 4-Dec-2017.) |
| Ref | Expression |
|---|---|
| prodmo.1 | ⊢ 𝐹 = (𝑘 ∈ ℤ ↦ if(𝑘 ∈ 𝐴, 𝐵, 1)) |
| prodmo.2 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ) |
| prodrb.4 | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
| prodrb.5 | ⊢ (𝜑 → 𝑁 ∈ ℤ) |
| prodrb.6 | ⊢ (𝜑 → 𝐴 ⊆ (ℤ≥‘𝑀)) |
| prodrb.7 | ⊢ (𝜑 → 𝐴 ⊆ (ℤ≥‘𝑁)) |
| Ref | Expression |
|---|---|
| prodrb | ⊢ (𝜑 → (seq𝑀( · , 𝐹) ⇝ 𝐶 ↔ seq𝑁( · , 𝐹) ⇝ 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | prodmo.1 | . . 3 ⊢ 𝐹 = (𝑘 ∈ ℤ ↦ if(𝑘 ∈ 𝐴, 𝐵, 1)) | |
| 2 | prodmo.2 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ) | |
| 3 | prodrb.4 | . . 3 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
| 4 | prodrb.5 | . . 3 ⊢ (𝜑 → 𝑁 ∈ ℤ) | |
| 5 | prodrb.6 | . . 3 ⊢ (𝜑 → 𝐴 ⊆ (ℤ≥‘𝑀)) | |
| 6 | prodrb.7 | . . 3 ⊢ (𝜑 → 𝐴 ⊆ (ℤ≥‘𝑁)) | |
| 7 | 1, 2, 3, 4, 5, 6 | prodrblem2 16011 | . 2 ⊢ ((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → (seq𝑀( · , 𝐹) ⇝ 𝐶 ↔ seq𝑁( · , 𝐹) ⇝ 𝐶)) |
| 8 | 1, 2, 4, 3, 6, 5 | prodrblem2 16011 | . . 3 ⊢ ((𝜑 ∧ 𝑀 ∈ (ℤ≥‘𝑁)) → (seq𝑁( · , 𝐹) ⇝ 𝐶 ↔ seq𝑀( · , 𝐹) ⇝ 𝐶)) |
| 9 | 8 | bicomd 226 | . 2 ⊢ ((𝜑 ∧ 𝑀 ∈ (ℤ≥‘𝑁)) → (seq𝑀( · , 𝐹) ⇝ 𝐶 ↔ seq𝑁( · , 𝐹) ⇝ 𝐶)) |
| 10 | uztric 12904 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑁 ∈ (ℤ≥‘𝑀) ∨ 𝑀 ∈ (ℤ≥‘𝑁))) | |
| 11 | 3, 4, 10 | syl2anc 596 | . 2 ⊢ (𝜑 → (𝑁 ∈ (ℤ≥‘𝑀) ∨ 𝑀 ∈ (ℤ≥‘𝑁))) |
| 12 | 7, 9, 11 | mpjaodan 973 | 1 ⊢ (𝜑 → (seq𝑀( · , 𝐹) ⇝ 𝐶 ↔ seq𝑁( · , 𝐹) ⇝ 𝐶)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 ∨ wo 861 = wceq 1570 ∈ wcel 2146 ⊆ wss 3908 ifcif 4492 class class class wbr 5114 ↦ cmpt 5197 ‘cfv 6543 ℂcc 11116 1c1 11119 · cmul 11123 ℤcz 12609 ℤ≥cuz 12880 seqcseq 14057 ⇝ cli 15561 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-rep 5243 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 ax-inf2 9620 ax-cnex 11174 ax-resscn 11175 ax-1cn 11176 ax-icn 11177 ax-addcl 11178 ax-addrcl 11179 ax-mulcl 11180 ax-mulrcl 11181 ax-mulcom 11182 ax-addass 11183 ax-mulass 11184 ax-distr 11185 ax-i2m1 11186 ax-1ne0 11187 ax-1rid 11188 ax-rnegex 11189 ax-rrecex 11190 ax-cnre 11191 ax-pre-lttri 11192 ax-pre-lttrn 11193 ax-pre-ltadd 11194 ax-pre-mulgt0 11195 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-nel 3068 df-ral 3083 df-rex 3093 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3928 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-tr 5224 df-id 5561 df-eprel 5566 df-po 5574 df-so 5575 df-fr 5619 df-we 5621 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-pred 6309 df-ord 6370 df-on 6371 df-lim 6372 df-suc 6373 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7380 df-ov 7426 df-oprab 7427 df-mpo 7428 df-om 7872 df-1st 7995 df-2nd 7996 df-frecs 8287 df-wrecs 8318 df-recs 8367 df-rdg 8406 df-er 8703 df-en 8953 df-dom 8954 df-sdom 8955 df-pnf 11263 df-mnf 11264 df-xr 11265 df-ltxr 11266 df-le 11267 df-sub 11461 df-neg 11462 df-nn 12252 df-n0 12523 df-z 12610 df-uz 12881 df-fz 13554 df-seq 14058 df-clim 15565 |
| This theorem is used by: prodmo 16016 zprod 16017 |
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