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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 12369 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 12301 |
. . 3
| |
| 2 | 1 | breq1d 4138 |
. 2
|
| 3 | prodeq1 12301 |
. . 3
| |
| 4 | 3 | breq1d 4138 |
. 2
|
| 5 | prodeq1 12301 |
. . 3
| |
| 6 | 5 | breq1d 4138 |
. 2
|
| 7 | prodeq1 12301 |
. . 3
| |
| 8 | 7 | breq1d 4138 |
. 2
|
| 9 | prod0 12333 |
. . . 4
| |
| 10 | 1ap0 8911 |
. . . 4
| |
| 11 | 9, 10 | eqbrtri 4149 |
. . 3
|
| 12 | 11 | a1i 9 |
. 2
|
| 13 | fprodn0f.kph |
. . . . . . . . 9
| |
| 14 | nfv 1581 |
. . . . . . . . 9
| |
| 15 | 13, 14 | nfan 1618 |
. . . . . . . 8
|
| 16 | nfv 1581 |
. . . . . . . 8
| |
| 17 | 15, 16 | nfan 1618 |
. . . . . . 7
|
| 18 | simplr 533 |
. . . . . . 7
| |
| 19 | simplll 539 |
. . . . . . . 8
| |
| 20 | simplrl 541 |
. . . . . . . . 9
| |
| 21 | simpr 110 |
. . . . . . . . 9
| |
| 22 | 20, 21 | sseldd 3249 |
. . . . . . . 8
|
| 23 | fprodn0f.b |
. . . . . . . 8
| |
| 24 | 19, 22, 23 | syl2anc 415 |
. . . . . . 7
|
| 25 | 17, 18, 24 | fprodclf 12383 |
. . . . . 6
|
| 26 | 25 | adantr 276 |
. . . . 5
|
| 27 | simprr 537 |
. . . . . . . 8
| |
| 28 | 27 | eldifad 3231 |
. . . . . . 7
|
| 29 | 23 | ex 115 |
. . . . . . . . 9
|
| 30 | 13, 29 | ralrimi 2621 |
. . . . . . . 8
|
| 31 | 30 | ad2antrr 492 |
. . . . . . 7
|
| 32 | rspcsbela 3207 |
. . . . . . 7
| |
| 33 | 28, 31, 32 | syl2anc 415 |
. . . . . 6
|
| 34 | 33 | adantr 276 |
. . . . 5
|
| 35 | simpr 110 |
. . . . 5
| |
| 36 | fprodap0f.bap0 |
. . . . . . . . . 10
| |
| 37 | 36 | ex 115 |
. . . . . . . . 9
|
| 38 | 13, 37 | ralrimi 2621 |
. . . . . . . 8
|
| 39 | 38 | ad2antrr 492 |
. . . . . . 7
|
| 40 | nfcsb1v 3180 |
. . . . . . . . 9
| |
| 41 | nfcv 2392 |
. . . . . . . . 9
| |
| 42 | nfcv 2392 |
. . . . . . . . 9
| |
| 43 | 40, 41, 42 | nfbr 4175 |
. . . . . . . 8
|
| 44 | csbeq1a 3156 |
. . . . . . . . 9
| |
| 45 | 44 | breq1d 4138 |
. . . . . . . 8
|
| 46 | 43, 45 | rspc 2923 |
. . . . . . 7
|
| 47 | 28, 39, 46 | sylc 62 |
. . . . . 6
|
| 48 | 47 | adantr 276 |
. . . . 5
|
| 49 | 26, 34, 35, 48 | mulap0d 8979 |
. . . 4
|
| 50 | 27 | eldifbd 3232 |
. . . . . . 7
|
| 51 | 17, 40, 18, 27, 50, 24, 44, 33 | fprodsplitsn 12381 |
. . . . . 6
|
| 52 | 51 | breq1d 4138 |
. . . . 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 7189 |
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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4244 ax-sep 4247 ax-nul 4257 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-iinf 4733 ax-cnex 8263 ax-resscn 8264 ax-1cn 8265 ax-1re 8266 ax-icn 8267 ax-addcl 8268 ax-addrcl 8269 ax-mulcl 8270 ax-mulrcl 8271 ax-addcom 8272 ax-mulcom 8273 ax-addass 8274 ax-mulass 8275 ax-distr 8276 ax-i2m1 8277 ax-0lt1 8278 ax-1rid 8279 ax-0id 8280 ax-rnegex 8281 ax-precex 8282 ax-cnre 8283 ax-pre-ltirr 8284 ax-pre-ltwlin 8285 ax-pre-lttrn 8286 ax-pre-apti 8287 ax-pre-ltadd 8288 ax-pre-mulgt0 8289 ax-pre-mulext 8290 ax-arch 8291 ax-caucvg 8292 |
| This theorem depends on definitions: df-bi 117 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3639 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-iun 4012 df-br 4129 df-opab 4191 df-mpt 4192 df-tr 4228 df-id 4436 df-po 4439 df-iso 4440 df-iord 4509 df-on 4511 df-ilim 4512 df-suc 4514 df-iom 4736 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-f1 5380 df-fo 5381 df-f1o 5382 df-fv 5383 df-isom 5384 df-riota 6031 df-ov 6081 df-oprab 6082 df-mpo 6083 df-1st 6367 df-2nd 6368 df-recs 6569 df-irdg 6634 df-frec 6655 df-1o 6680 df-oadd 6684 df-er 6800 df-en 7016 df-dom 7017 df-fin 7018 df-pnf 8355 df-mnf 8356 df-xr 8357 df-ltxr 8358 df-le 8359 df-sub 8492 df-neg 8493 df-reap 8896 df-ap 8903 df-div 8996 df-inn 9287 df-2 9345 df-3 9346 df-4 9347 df-n0 9546 df-z 9627 df-uz 9904 df-q 10002 df-rp 10037 df-fz 10394 df-fzo 10531 df-seqfrec 10866 df-exp 10957 df-ihash 11196 df-cj 11588 df-re 11589 df-im 11590 df-rsqrt 11745 df-abs 11746 df-clim 12026 df-proddc 12299 |
| This theorem is referenced by: (None) |
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