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| Mirrors > Home > MPE Home > Th. List > ocndx | Structured version Visualization version GIF version | ||
| Description: Index value of the df-ocomp 17478 slot. (Contributed by Mario Carneiro, 25-Oct-2015.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| ocndx | ⊢ (oc‘ndx) = ;11 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ocomp 17478 | . 2 ⊢ oc = Slot ;11 | |
| 2 | 1nn0 12649 | . . 3 ⊢ 1 ∈ ℕ0 | |
| 3 | 1nn 12373 | . . 3 ⊢ 1 ∈ ℕ | |
| 4 | 2, 3 | decnncl 12865 | . 2 ⊢ ;11 ∈ ℕ |
| 5 | 1, 4 | ndxarg 17403 | 1 ⊢ (oc‘ndx) = ;11 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ‘cfv 6558 1c1 11228 ;cdc 12841 ndxcnx 17400 occoc 17465 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 ax-cnex 11283 ax-resscn 11284 ax-1cn 11285 ax-icn 11286 ax-addcl 11287 ax-addrcl 11288 ax-mulcl 11289 ax-mulrcl 11290 ax-mulcom 11291 ax-addass 11292 ax-mulass 11293 ax-distr 11294 ax-i2m1 11295 ax-1ne0 11296 ax-1rid 11297 ax-rnegex 11298 ax-rrecex 11299 ax-cnre 11300 ax-pre-lttri 11301 ax-pre-lttrn 11302 ax-pre-ltadd 11303 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6322 df-ord 6383 df-on 6384 df-lim 6385 df-suc 6386 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-ov 7446 df-om 7902 df-2nd 8026 df-frecs 8327 df-wrecs 8358 df-recs 8407 df-rdg 8446 df-er 8745 df-en 9002 df-dom 9003 df-sdom 9004 df-pnf 11372 df-mnf 11373 df-ltxr 11375 df-nn 12363 df-2 12432 df-3 12433 df-4 12434 df-5 12435 df-6 12436 df-7 12437 df-8 12438 df-9 12439 df-n0 12634 df-dec 12842 df-slot 17389 df-ndx 17401 df-ocomp 17478 |
| This theorem is used by: basendxnocndx 17583 plendxnocndx 17584 slotsdifocndx 17617 ipostr 18732 |
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