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Mirrors > Home > ILE Home > Th. List > plendxnn | Unicode version |
Description: The index value of the order slot is a positive integer. This property should be ensured for every concrete coding because otherwise it could not be used in an extensible structure (slots must be positive integers). (Contributed by AV, 30-Oct-2024.) |
Ref | Expression |
---|---|
plendxnn |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | plendx 12853 |
. 2
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2 | 10nn 9469 |
. 2
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3 | 1, 2 | eqeltri 2269 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-sep 4151 ax-pow 4207 ax-pr 4242 ax-un 4468 ax-cnex 7968 ax-resscn 7969 ax-1cn 7970 ax-1re 7971 ax-icn 7972 ax-addcl 7973 ax-addrcl 7974 ax-mulcl 7975 ax-mulcom 7978 ax-addass 7979 ax-mulass 7980 ax-distr 7981 ax-1rid 7984 ax-0id 7985 ax-cnre 7988 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-rab 2484 df-v 2765 df-sbc 2990 df-un 3161 df-in 3163 df-ss 3170 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-uni 3840 df-int 3875 df-br 4034 df-opab 4095 df-mpt 4096 df-id 4328 df-xp 4669 df-rel 4670 df-cnv 4671 df-co 4672 df-dm 4673 df-rn 4674 df-res 4675 df-iota 5219 df-fun 5260 df-fv 5266 df-ov 5925 df-inn 8988 df-2 9046 df-3 9047 df-4 9048 df-5 9049 df-6 9050 df-7 9051 df-8 9052 df-9 9053 df-dec 9455 df-ndx 12657 df-slot 12658 df-ple 12751 |
This theorem is referenced by: prdsex 12916 znval 14168 znbaslemnn 14171 |
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