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| Mirrors > Home > ILE Home > Th. List > 3declth | GIF version | ||
| Description: Comparing two decimal integers with three "digits" (unequal higher places). (Contributed by AV, 8-Sep-2021.) |
| Ref | Expression |
|---|---|
| 3decltc.a | ⊢ 𝐴 ∈ ℕ0 |
| 3decltc.b | ⊢ 𝐵 ∈ ℕ0 |
| 3decltc.c | ⊢ 𝐶 ∈ ℕ0 |
| 3decltc.d | ⊢ 𝐷 ∈ ℕ0 |
| 3decltc.e | ⊢ 𝐸 ∈ ℕ0 |
| 3decltc.f | ⊢ 𝐹 ∈ ℕ0 |
| 3decltc.3 | ⊢ 𝐴 < 𝐵 |
| 3declth.1 | ⊢ 𝐶 ≤ 9 |
| 3declth.2 | ⊢ 𝐸 ≤ 9 |
| Ref | Expression |
|---|---|
| 3declth | ⊢ ;;𝐴𝐶𝐸 < ;;𝐵𝐷𝐹 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3decltc.a | . . 3 ⊢ 𝐴 ∈ ℕ0 | |
| 2 | 3decltc.c | . . 3 ⊢ 𝐶 ∈ ℕ0 | |
| 3 | 1, 2 | deccl 9630 | . 2 ⊢ ;𝐴𝐶 ∈ ℕ0 |
| 4 | 3decltc.b | . . 3 ⊢ 𝐵 ∈ ℕ0 | |
| 5 | 3decltc.d | . . 3 ⊢ 𝐷 ∈ ℕ0 | |
| 6 | 4, 5 | deccl 9630 | . 2 ⊢ ;𝐵𝐷 ∈ ℕ0 |
| 7 | 3decltc.e | . 2 ⊢ 𝐸 ∈ ℕ0 | |
| 8 | 3decltc.f | . 2 ⊢ 𝐹 ∈ ℕ0 | |
| 9 | 3declth.2 | . 2 ⊢ 𝐸 ≤ 9 | |
| 10 | 3declth.1 | . . 3 ⊢ 𝐶 ≤ 9 | |
| 11 | 3decltc.3 | . . 3 ⊢ 𝐴 < 𝐵 | |
| 12 | 1, 4, 2, 5, 10, 11 | declth 9645 | . 2 ⊢ ;𝐴𝐶 < ;𝐵𝐷 |
| 13 | 3, 6, 7, 8, 9, 12 | declth 9645 | 1 ⊢ ;;𝐴𝐶𝐸 < ;;𝐵𝐷𝐹 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2201 class class class wbr 4089 < clt 8219 ≤ cle 8220 9c9 9206 ℕ0cn0 9407 ;cdc 9616 |
| 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 2203 ax-14 2204 ax-ext 2212 ax-sep 4208 ax-pow 4266 ax-pr 4301 ax-un 4532 ax-setind 4637 ax-cnex 8128 ax-resscn 8129 ax-1cn 8130 ax-1re 8131 ax-icn 8132 ax-addcl 8133 ax-addrcl 8134 ax-mulcl 8135 ax-mulrcl 8136 ax-addcom 8137 ax-mulcom 8138 ax-addass 8139 ax-mulass 8140 ax-distr 8141 ax-i2m1 8142 ax-0lt1 8143 ax-1rid 8144 ax-0id 8145 ax-rnegex 8146 ax-precex 8147 ax-cnre 8148 ax-pre-ltirr 8149 ax-pre-ltwlin 8150 ax-pre-lttrn 8151 ax-pre-ltadd 8153 ax-pre-mulgt0 8154 |
| This theorem depends on definitions: df-bi 117 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ne 2402 df-nel 2497 df-ral 2514 df-rex 2515 df-reu 2516 df-rab 2518 df-v 2803 df-sbc 3031 df-dif 3201 df-un 3203 df-in 3205 df-ss 3212 df-pw 3655 df-sn 3676 df-pr 3677 df-op 3679 df-uni 3895 df-int 3930 df-br 4090 df-opab 4152 df-id 4392 df-xp 4733 df-rel 4734 df-cnv 4735 df-co 4736 df-dm 4737 df-iota 5288 df-fun 5330 df-fv 5336 df-riota 5976 df-ov 6026 df-oprab 6027 df-mpo 6028 df-pnf 8221 df-mnf 8222 df-xr 8223 df-ltxr 8224 df-le 8225 df-sub 8357 df-neg 8358 df-inn 9149 df-2 9207 df-3 9208 df-4 9209 df-5 9210 df-6 9211 df-7 9212 df-8 9213 df-9 9214 df-n0 9408 df-z 9485 df-dec 9617 |
| This theorem is referenced by: (None) |
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