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| Mirrors > Home > ILE Home > Th. List > declth | GIF version | ||
| Description: Comparing two decimal integers (unequal higher places). (Contributed by AV, 8-Sep-2021.) |
| Ref | Expression |
|---|---|
| declt.a | ⊢ 𝐴 ∈ ℕ0 |
| declt.b | ⊢ 𝐵 ∈ ℕ0 |
| declth.c | ⊢ 𝐶 ∈ ℕ0 |
| declth.d | ⊢ 𝐷 ∈ ℕ0 |
| declth.e | ⊢ 𝐶 ≤ 9 |
| declth.l | ⊢ 𝐴 < 𝐵 |
| Ref | Expression |
|---|---|
| declth | ⊢ ;𝐴𝐶 < ;𝐵𝐷 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | declt.a | . 2 ⊢ 𝐴 ∈ ℕ0 | |
| 2 | declt.b | . 2 ⊢ 𝐵 ∈ ℕ0 | |
| 3 | declth.c | . 2 ⊢ 𝐶 ∈ ℕ0 | |
| 4 | declth.d | . 2 ⊢ 𝐷 ∈ ℕ0 | |
| 5 | declth.e | . . 3 ⊢ 𝐶 ≤ 9 | |
| 6 | 3, 5 | le9lt10 9639 | . 2 ⊢ 𝐶 < ;10 |
| 7 | declth.l | . 2 ⊢ 𝐴 < 𝐵 | |
| 8 | 1, 2, 3, 4, 6, 7 | decltc 9641 | 1 ⊢ ;𝐴𝐶 < ;𝐵𝐷 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2201 class class class wbr 4087 < clt 8216 ≤ cle 8217 9c9 9203 ℕ0cn0 9404 ;cdc 9613 |
| 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 4206 ax-pow 4263 ax-pr 4298 ax-un 4529 ax-setind 4634 ax-cnex 8125 ax-resscn 8126 ax-1cn 8127 ax-1re 8128 ax-icn 8129 ax-addcl 8130 ax-addrcl 8131 ax-mulcl 8132 ax-mulrcl 8133 ax-addcom 8134 ax-mulcom 8135 ax-addass 8136 ax-mulass 8137 ax-distr 8138 ax-i2m1 8139 ax-0lt1 8140 ax-1rid 8141 ax-0id 8142 ax-rnegex 8143 ax-precex 8144 ax-cnre 8145 ax-pre-ltirr 8146 ax-pre-ltwlin 8147 ax-pre-lttrn 8148 ax-pre-ltadd 8150 ax-pre-mulgt0 8151 |
| 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 3653 df-sn 3674 df-pr 3675 df-op 3677 df-uni 3893 df-int 3928 df-br 4088 df-opab 4150 df-id 4389 df-xp 4730 df-rel 4731 df-cnv 4732 df-co 4733 df-dm 4734 df-iota 5285 df-fun 5327 df-fv 5333 df-riota 5973 df-ov 6023 df-oprab 6024 df-mpo 6025 df-pnf 8218 df-mnf 8219 df-xr 8220 df-ltxr 8221 df-le 8222 df-sub 8354 df-neg 8355 df-inn 9146 df-2 9204 df-3 9205 df-4 9206 df-5 9207 df-6 9208 df-7 9209 df-8 9210 df-9 9211 df-n0 9405 df-z 9482 df-dec 9614 |
| This theorem is referenced by: 3declth 9644 decleh 9647 |
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