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| Mirrors > Home > ILE Home > Th. List > edgfndx | GIF version | ||
| Description: Index value of the df-edgf 15546 slot. (Contributed by AV, 13-Oct-2024.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| edgfndx | ⊢ (.ef‘ndx) = ;18 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-edgf 15546 | . 2 ⊢ .ef = Slot ;18 | |
| 2 | 1nn0 9310 | . . 3 ⊢ 1 ∈ ℕ0 | |
| 3 | 8nn 9203 | . . 3 ⊢ 8 ∈ ℕ | |
| 4 | 2, 3 | decnncl 9522 | . 2 ⊢ ;18 ∈ ℕ |
| 5 | 1, 4 | ndxarg 12797 | 1 ⊢ (.ef‘ndx) = ;18 |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1372 ‘cfv 5270 1c1 7925 8c8 9092 ;cdc 9503 ndxcnx 12771 .efcedgf 15545 |
| 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 1469 ax-7 1470 ax-gen 1471 ax-ie1 1515 ax-ie2 1516 ax-8 1526 ax-10 1527 ax-11 1528 ax-i12 1529 ax-bndl 1531 ax-4 1532 ax-17 1548 ax-i9 1552 ax-ial 1556 ax-i5r 1557 ax-13 2177 ax-14 2178 ax-ext 2186 ax-sep 4161 ax-pow 4217 ax-pr 4252 ax-un 4479 ax-setind 4584 ax-cnex 8015 ax-resscn 8016 ax-1cn 8017 ax-1re 8018 ax-icn 8019 ax-addcl 8020 ax-addrcl 8021 ax-mulcl 8022 ax-addcom 8024 ax-mulcom 8025 ax-addass 8026 ax-mulass 8027 ax-distr 8028 ax-i2m1 8029 ax-1rid 8031 ax-0id 8032 ax-rnegex 8033 ax-cnre 8035 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1375 df-fal 1378 df-nf 1483 df-sb 1785 df-eu 2056 df-mo 2057 df-clab 2191 df-cleq 2197 df-clel 2200 df-nfc 2336 df-ne 2376 df-ral 2488 df-rex 2489 df-reu 2490 df-rab 2492 df-v 2773 df-sbc 2998 df-dif 3167 df-un 3169 df-in 3171 df-ss 3178 df-pw 3617 df-sn 3638 df-pr 3639 df-op 3641 df-uni 3850 df-int 3885 df-br 4044 df-opab 4105 df-mpt 4106 df-id 4339 df-xp 4680 df-rel 4681 df-cnv 4682 df-co 4683 df-dm 4684 df-rn 4685 df-res 4686 df-iota 5231 df-fun 5272 df-fv 5278 df-riota 5898 df-ov 5946 df-oprab 5947 df-mpo 5948 df-sub 8244 df-inn 9036 df-2 9094 df-3 9095 df-4 9096 df-5 9097 df-6 9098 df-7 9099 df-8 9100 df-9 9101 df-n0 9295 df-dec 9504 df-ndx 12777 df-slot 12778 df-edgf 15546 |
| This theorem is referenced by: edgfndxnn 15549 basendxltedgfndx 15551 |
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