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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 9270 | . . 3 ⊢ 1 ∈ ℕ | |
| 2 | 8nn0 9541 | . . 3 ⊢ 8 ∈ ℕ0 | |
| 3 | 1nn0 9534 | . . 3 ⊢ 1 ∈ ℕ0 | |
| 4 | 1lt10 9870 | . . 3 ⊢ 1 < ;10 | |
| 5 | 1, 2, 3, 4 | declti 9769 | . 2 ⊢ 1 < ;18 |
| 6 | basendx 13357 | . 2 ⊢ (Base‘ndx) = 1 | |
| 7 | edgfndx 16134 | . 2 ⊢ (.ef‘ndx) = ;18 | |
| 8 | 5, 6, 7 | 3brtr4i 4145 | 1 ⊢ (Base‘ndx) < (.ef‘ndx) |
| Colors of variables: wff set class |
| Syntax hints: class class class wbr 4115 ‘cfv 5359 1c1 8146 < clt 8326 8c8 9316 ;cdc 9732 ndxcnx 13299 Basecbs 13302 .efcedgf 16131 |
| 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-14 2208 ax-ext 2216 ax-sep 4234 ax-pow 4293 ax-pr 4328 ax-un 4560 ax-setind 4666 ax-cnex 8236 ax-resscn 8237 ax-1cn 8238 ax-1re 8239 ax-icn 8240 ax-addcl 8241 ax-addrcl 8242 ax-mulcl 8243 ax-mulrcl 8244 ax-addcom 8245 ax-mulcom 8246 ax-addass 8247 ax-mulass 8248 ax-distr 8249 ax-i2m1 8250 ax-0lt1 8251 ax-1rid 8252 ax-0id 8253 ax-rnegex 8254 ax-precex 8255 ax-cnre 8256 ax-pre-ltirr 8257 ax-pre-ltwlin 8258 ax-pre-lttrn 8259 ax-pre-ltadd 8261 ax-pre-mulgt0 8262 |
| 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 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-reu 2529 df-rab 2531 df-v 2817 df-sbc 3046 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-pw 3677 df-sn 3701 df-pr 3702 df-op 3704 df-uni 3921 df-int 3956 df-br 4116 df-opab 4178 df-mpt 4179 df-id 4420 df-xp 4762 df-rel 4763 df-cnv 4764 df-co 4765 df-dm 4766 df-rn 4767 df-res 4768 df-iota 5319 df-fun 5361 df-fv 5367 df-riota 6013 df-ov 6063 df-oprab 6064 df-mpo 6065 df-pnf 8328 df-mnf 8329 df-xr 8330 df-ltxr 8331 df-le 8332 df-sub 8465 df-neg 8466 df-inn 9260 df-2 9318 df-3 9319 df-4 9320 df-5 9321 df-6 9322 df-7 9323 df-8 9324 df-9 9325 df-n0 9519 df-z 9600 df-dec 9733 df-ndx 13305 df-slot 13306 df-base 13308 df-edgf 16132 |
| This theorem is referenced by: basendxnedgfndx 16138 struct2grstrg 16171 struct2grvtx 16172 |
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