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| Mirrors > Home > ILE Home > Th. List > fprodap0f | Unicode version | ||
| Description: A finite product of terms apart from zero is apart from zero. A version of fprodap0 12183 using bound-variable hypotheses instead of distinct variable conditions. (Contributed by Glauco Siliprandi, 5-Apr-2020.) (Revised by Jim Kingdon, 30-Aug-2024.) |
| Ref | Expression |
|---|---|
| fprodn0f.kph |
|
| fprodn0f.a |
|
| fprodn0f.b |
|
| fprodap0f.bap0 |
|
| Ref | Expression |
|---|---|
| fprodap0f |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | prodeq1 12115 |
. . 3
| |
| 2 | 1 | breq1d 4098 |
. 2
|
| 3 | prodeq1 12115 |
. . 3
| |
| 4 | 3 | breq1d 4098 |
. 2
|
| 5 | prodeq1 12115 |
. . 3
| |
| 6 | 5 | breq1d 4098 |
. 2
|
| 7 | prodeq1 12115 |
. . 3
| |
| 8 | 7 | breq1d 4098 |
. 2
|
| 9 | prod0 12147 |
. . . 4
| |
| 10 | 1ap0 8770 |
. . . 4
| |
| 11 | 9, 10 | eqbrtri 4109 |
. . 3
|
| 12 | 11 | a1i 9 |
. 2
|
| 13 | fprodn0f.kph |
. . . . . . . . 9
| |
| 14 | nfv 1576 |
. . . . . . . . 9
| |
| 15 | 13, 14 | nfan 1613 |
. . . . . . . 8
|
| 16 | nfv 1576 |
. . . . . . . 8
| |
| 17 | 15, 16 | nfan 1613 |
. . . . . . 7
|
| 18 | simplr 529 |
. . . . . . 7
| |
| 19 | simplll 535 |
. . . . . . . 8
| |
| 20 | simplrl 537 |
. . . . . . . . 9
| |
| 21 | simpr 110 |
. . . . . . . . 9
| |
| 22 | 20, 21 | sseldd 3228 |
. . . . . . . 8
|
| 23 | fprodn0f.b |
. . . . . . . 8
| |
| 24 | 19, 22, 23 | syl2anc 411 |
. . . . . . 7
|
| 25 | 17, 18, 24 | fprodclf 12197 |
. . . . . 6
|
| 26 | 25 | adantr 276 |
. . . . 5
|
| 27 | simprr 533 |
. . . . . . . 8
| |
| 28 | 27 | eldifad 3211 |
. . . . . . 7
|
| 29 | 23 | ex 115 |
. . . . . . . . 9
|
| 30 | 13, 29 | ralrimi 2603 |
. . . . . . . 8
|
| 31 | 30 | ad2antrr 488 |
. . . . . . 7
|
| 32 | rspcsbela 3187 |
. . . . . . 7
| |
| 33 | 28, 31, 32 | syl2anc 411 |
. . . . . 6
|
| 34 | 33 | adantr 276 |
. . . . 5
|
| 35 | simpr 110 |
. . . . 5
| |
| 36 | fprodap0f.bap0 |
. . . . . . . . . 10
| |
| 37 | 36 | ex 115 |
. . . . . . . . 9
|
| 38 | 13, 37 | ralrimi 2603 |
. . . . . . . 8
|
| 39 | 38 | ad2antrr 488 |
. . . . . . 7
|
| 40 | nfcsb1v 3160 |
. . . . . . . . 9
| |
| 41 | nfcv 2374 |
. . . . . . . . 9
| |
| 42 | nfcv 2374 |
. . . . . . . . 9
| |
| 43 | 40, 41, 42 | nfbr 4135 |
. . . . . . . 8
|
| 44 | csbeq1a 3136 |
. . . . . . . . 9
| |
| 45 | 44 | breq1d 4098 |
. . . . . . . 8
|
| 46 | 43, 45 | rspc 2904 |
. . . . . . 7
|
| 47 | 28, 39, 46 | sylc 62 |
. . . . . 6
|
| 48 | 47 | adantr 276 |
. . . . 5
|
| 49 | 26, 34, 35, 48 | mulap0d 8838 |
. . . 4
|
| 50 | 27 | eldifbd 3212 |
. . . . . . 7
|
| 51 | 17, 40, 18, 27, 50, 24, 44, 33 | fprodsplitsn 12195 |
. . . . . 6
|
| 52 | 51 | breq1d 4098 |
. . . . 5
|
| 53 | 52 | adantr 276 |
. . . 4
|
| 54 | 49, 53 | mpbird 167 |
. . 3
|
| 55 | 54 | ex 115 |
. 2
|
| 56 | fprodn0f.a |
. 2
| |
| 57 | 2, 4, 6, 8, 12, 55, 56 | findcard2sd 7081 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4204 ax-sep 4207 ax-nul 4215 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-iinf 4686 ax-cnex 8123 ax-resscn 8124 ax-1cn 8125 ax-1re 8126 ax-icn 8127 ax-addcl 8128 ax-addrcl 8129 ax-mulcl 8130 ax-mulrcl 8131 ax-addcom 8132 ax-mulcom 8133 ax-addass 8134 ax-mulass 8135 ax-distr 8136 ax-i2m1 8137 ax-0lt1 8138 ax-1rid 8139 ax-0id 8140 ax-rnegex 8141 ax-precex 8142 ax-cnre 8143 ax-pre-ltirr 8144 ax-pre-ltwlin 8145 ax-pre-lttrn 8146 ax-pre-apti 8147 ax-pre-ltadd 8148 ax-pre-mulgt0 8149 ax-pre-mulext 8150 ax-arch 8151 ax-caucvg 8152 |
| This theorem depends on definitions: df-bi 117 df-dc 842 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-reu 2517 df-rmo 2518 df-rab 2519 df-v 2804 df-sbc 3032 df-csb 3128 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-nul 3495 df-if 3606 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-iun 3972 df-br 4089 df-opab 4151 df-mpt 4152 df-tr 4188 df-id 4390 df-po 4393 df-iso 4394 df-iord 4463 df-on 4465 df-ilim 4466 df-suc 4468 df-iom 4689 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-f1 5331 df-fo 5332 df-f1o 5333 df-fv 5334 df-isom 5335 df-riota 5971 df-ov 6021 df-oprab 6022 df-mpo 6023 df-1st 6303 df-2nd 6304 df-recs 6471 df-irdg 6536 df-frec 6557 df-1o 6582 df-oadd 6586 df-er 6702 df-en 6910 df-dom 6911 df-fin 6912 df-pnf 8216 df-mnf 8217 df-xr 8218 df-ltxr 8219 df-le 8220 df-sub 8352 df-neg 8353 df-reap 8755 df-ap 8762 df-div 8853 df-inn 9144 df-2 9202 df-3 9203 df-4 9204 df-n0 9403 df-z 9480 df-uz 9756 df-q 9854 df-rp 9889 df-fz 10244 df-fzo 10378 df-seqfrec 10710 df-exp 10801 df-ihash 11038 df-cj 11403 df-re 11404 df-im 11405 df-rsqrt 11559 df-abs 11560 df-clim 11840 df-proddc 12113 |
| This theorem is referenced by: (None) |
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