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| Mirrors > Home > ILE Home > Th. List > basendxltedgfndx | GIF version | ||
| Description: The index value of the Base slot is less than the index value of the .ef slot. (Contributed by AV, 21-Sep-2020.) (Proof shortened by AV, 30-Oct-2024.) |
| Ref | Expression |
|---|---|
| basendxltedgfndx | ⊢ (Base‘ndx) < (.ef‘ndx) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1nn 9248 | . . 3 ⊢ 1 ∈ ℕ | |
| 2 | 8nn0 9519 | . . 3 ⊢ 8 ∈ ℕ0 | |
| 3 | 1nn0 9512 | . . 3 ⊢ 1 ∈ ℕ0 | |
| 4 | 1lt10 9847 | . . 3 ⊢ 1 < ;10 | |
| 5 | 1, 2, 3, 4 | declti 9746 | . 2 ⊢ 1 < ;18 |
| 6 | basendx 13267 | . 2 ⊢ (Base‘ndx) = 1 | |
| 7 | edgfndx 16002 | . 2 ⊢ (.ef‘ndx) = ;18 | |
| 8 | 5, 6, 7 | 3brtr4i 4139 | 1 ⊢ (Base‘ndx) < (.ef‘ndx) |
| Colors of variables: wff set class |
| Syntax hints: class class class wbr 4109 ‘cfv 5352 1c1 8128 < clt 8308 8c8 9294 ;cdc 9709 ndxcnx 13209 Basecbs 13212 .efcedgf 15999 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2205 ax-14 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 ax-un 4554 ax-setind 4659 ax-cnex 8218 ax-resscn 8219 ax-1cn 8220 ax-1re 8221 ax-icn 8222 ax-addcl 8223 ax-addrcl 8224 ax-mulcl 8225 ax-mulrcl 8226 ax-addcom 8227 ax-mulcom 8228 ax-addass 8229 ax-mulass 8230 ax-distr 8231 ax-i2m1 8232 ax-0lt1 8233 ax-1rid 8234 ax-0id 8235 ax-rnegex 8236 ax-precex 8237 ax-cnre 8238 ax-pre-ltirr 8239 ax-pre-ltwlin 8240 ax-pre-lttrn 8241 ax-pre-ltadd 8243 ax-pre-mulgt0 8244 |
| This theorem depends on definitions: df-bi 117 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-nel 2508 df-ral 2525 df-rex 2526 df-reu 2527 df-rab 2529 df-v 2815 df-sbc 3043 df-dif 3213 df-un 3215 df-in 3217 df-ss 3224 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-int 3950 df-br 4110 df-opab 4172 df-mpt 4173 df-id 4414 df-xp 4755 df-rel 4756 df-cnv 4757 df-co 4758 df-dm 4759 df-rn 4760 df-res 4761 df-iota 5312 df-fun 5354 df-fv 5360 df-riota 6003 df-ov 6053 df-oprab 6054 df-mpo 6055 df-pnf 8310 df-mnf 8311 df-xr 8312 df-ltxr 8313 df-le 8314 df-sub 8446 df-neg 8447 df-inn 9238 df-2 9296 df-3 9297 df-4 9298 df-5 9299 df-6 9300 df-7 9301 df-8 9302 df-9 9303 df-n0 9497 df-z 9578 df-dec 9710 df-ndx 13215 df-slot 13216 df-base 13218 df-edgf 16000 |
| This theorem is referenced by: basendxnedgfndx 16006 struct2grstrg 16039 struct2grvtx 16040 |
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