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| Mirrors > Home > ILE Home > Th. List > zaddcllemneg | Unicode version | ||
| Description: Lemma for zaddcl 9366.  Special case in which  | 
| Ref | Expression | 
|---|---|
| zaddcllemneg | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | simp2 1000 | 
. . . . 5
 | |
| 2 | 1 | recnd 8055 | 
. . . 4
 | 
| 3 | 2 | negnegd 8328 | 
. . 3
 | 
| 4 | 3 | oveq2d 5938 | 
. 2
 | 
| 5 | negeq 8219 | 
. . . . . . . 8
 | |
| 6 | 5 | oveq2d 5938 | 
. . . . . . 7
 | 
| 7 | 6 | eleq1d 2265 | 
. . . . . 6
 | 
| 8 | 7 | imbi2d 230 | 
. . . . 5
 | 
| 9 | negeq 8219 | 
. . . . . . . 8
 | |
| 10 | 9 | oveq2d 5938 | 
. . . . . . 7
 | 
| 11 | 10 | eleq1d 2265 | 
. . . . . 6
 | 
| 12 | 11 | imbi2d 230 | 
. . . . 5
 | 
| 13 | negeq 8219 | 
. . . . . . . 8
 | |
| 14 | 13 | oveq2d 5938 | 
. . . . . . 7
 | 
| 15 | 14 | eleq1d 2265 | 
. . . . . 6
 | 
| 16 | 15 | imbi2d 230 | 
. . . . 5
 | 
| 17 | negeq 8219 | 
. . . . . . . 8
 | |
| 18 | 17 | oveq2d 5938 | 
. . . . . . 7
 | 
| 19 | 18 | eleq1d 2265 | 
. . . . . 6
 | 
| 20 | 19 | imbi2d 230 | 
. . . . 5
 | 
| 21 | zcn 9331 | 
. . . . . . . 8
 | |
| 22 | 21 | adantr 276 | 
. . . . . . 7
 | 
| 23 | 1cnd 8042 | 
. . . . . . 7
 | |
| 24 | 22, 23 | negsubd 8343 | 
. . . . . 6
 | 
| 25 | peano2zm 9364 | 
. . . . . . 7
 | |
| 26 | 25 | adantr 276 | 
. . . . . 6
 | 
| 27 | 24, 26 | eqeltrd 2273 | 
. . . . 5
 | 
| 28 | nncn 8998 | 
. . . . . . . . . . 11
 | |
| 29 | 28 | ad2antrr 488 | 
. . . . . . . . . 10
 | 
| 30 | 1cnd 8042 | 
. . . . . . . . . 10
 | |
| 31 | 29, 30 | negdi2d 8351 | 
. . . . . . . . 9
 | 
| 32 | 31 | oveq2d 5938 | 
. . . . . . . 8
 | 
| 33 | 22 | ad2antlr 489 | 
. . . . . . . . . 10
 | 
| 34 | 29 | negcld 8324 | 
. . . . . . . . . 10
 | 
| 35 | 33, 34, 30 | addsubassd 8357 | 
. . . . . . . . 9
 | 
| 36 | peano2zm 9364 | 
. . . . . . . . . 10
 | |
| 37 | 36 | adantl 277 | 
. . . . . . . . 9
 | 
| 38 | 35, 37 | eqeltrrd 2274 | 
. . . . . . . 8
 | 
| 39 | 32, 38 | eqeltrd 2273 | 
. . . . . . 7
 | 
| 40 | 39 | exp31 364 | 
. . . . . 6
 | 
| 41 | 40 | a2d 26 | 
. . . . 5
 | 
| 42 | 8, 12, 16, 20, 27, 41 | nnind 9006 | 
. . . 4
 | 
| 43 | 42 | impcom 125 | 
. . 3
 | 
| 44 | 43 | 3impa 1196 | 
. 2
 | 
| 45 | 4, 44 | eqeltrrd 2274 | 
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 615 ax-in2 616 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-sep 4151 ax-pow 4207 ax-pr 4242 ax-un 4468 ax-setind 4573 ax-cnex 7970 ax-resscn 7971 ax-1cn 7972 ax-1re 7973 ax-icn 7974 ax-addcl 7975 ax-addrcl 7976 ax-mulcl 7977 ax-addcom 7979 ax-addass 7981 ax-distr 7983 ax-i2m1 7984 ax-0lt1 7985 ax-0id 7987 ax-rnegex 7988 ax-cnre 7990 ax-pre-ltirr 7991 ax-pre-ltwlin 7992 ax-pre-lttrn 7993 ax-pre-ltadd 7995 | 
| This theorem depends on definitions: df-bi 117 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ne 2368 df-nel 2463 df-ral 2480 df-rex 2481 df-reu 2482 df-rab 2484 df-v 2765 df-sbc 2990 df-dif 3159 df-un 3161 df-in 3163 df-ss 3170 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-uni 3840 df-int 3875 df-br 4034 df-opab 4095 df-id 4328 df-xp 4669 df-rel 4670 df-cnv 4671 df-co 4672 df-dm 4673 df-iota 5219 df-fun 5260 df-fv 5266 df-riota 5877 df-ov 5925 df-oprab 5926 df-mpo 5927 df-pnf 8063 df-mnf 8064 df-xr 8065 df-ltxr 8066 df-le 8067 df-sub 8199 df-neg 8200 df-inn 8991 df-n0 9250 df-z 9327 | 
| This theorem is referenced by: zaddcl 9366 | 
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