elfzelzd - Intuitionistic Logic Explorer

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Theorem elfzelzd 10408

Description: A member of a finite set of sequential integers is an integer. (Contributed by Glauco Siliprandi, 5-Apr-2020.)

**Hypothesis**
Ref	Expression
elfzelzd.1	⊢ (𝜑 → 𝐾 ∈ (𝑀...𝑁))

**Assertion**
Ref	Expression
elfzelzd	⊢ (𝜑 → 𝐾 ∈ ℤ)

**Proof of Theorem elfzelzd**
Step	Hyp	Ref	Expression
1		elfzelzd.1	. 2 ⊢ (𝜑 → 𝐾 ∈ (𝑀...𝑁))
2		elfzelz 10407	. 2 ⊢ (𝐾 ∈ (𝑀...𝑁) → 𝐾 ∈ ℤ)
3	1, 2	syl 14	1 ⊢ (𝜑 → 𝐾 ∈ ℤ)

Colors of variables: wff set class

Syntax hints: → wi 4 ∈ wcel 2209 (class class class)co 6075 ℤcz 9623 ...cfz 10390

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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 ax-setind 4679 ax-cnex 8260 ax-resscn 8261

This theorem depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-br 4126 df-opab 4188 df-mpt 4189 df-id 4433 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-ima 4782 df-iota 5332 df-fun 5374 df-fn 5375 df-f 5376 df-fv 5380 df-ov 6078 df-oprab 6079 df-mpo 6080 df-neg 8490 df-z 9624 df-uz 9901 df-fz 10391